Best Ranks Minecraft Servers

PvPBulgaria

Post author By ServerFinder
Post date June 11, 2020

PvPBulgaria is a HardCorePvP server offering an amazing PvP experience.Our server is unlike most servers, and offers lots of features that are not found on most servers. Some features that set us apart from other servers are:

– Nonstop PvP @ spawn
– War!
– Raiding/Grief
– Non Protection for Homes and Etc..
– Best donator ranks, commands, kits, events and etc.
– No PvP lag
– Big and Beautiful WarZone
– Parkour
– Beautiful Warps for Events, PvP and More…
Server Ip: mc.pvpbulgaria.eu Site: www.pvpbulgaria.eu

Active Ass Build Builder Class Com Custom Economy Event Evento Eventos Google Kit Kits Mana Mcmmo Mini Mini Games Mmo Mob Network Pro Pvp Rank Ranks Rankup Rps Servidor Spawn Spawner Spawners Tale Top Two Vanilla War Warp Warps

Cznetwork

Post author By ServerFinder
Post date June 11, 2020

– Servidor totalmente inovador com novo sistema de habilidades e talentos.
– Diversidade de warps e diferentes objetivos;
– Sistema de proprio estilo melhorado de mcmmo
– Mob-spawners;
– Sistema de Terrenos integrados e customizados
– RankUP com minas adequadas para cada Rank;
– Top Ranks
– Kits separados para cada rank;
– Eventos Gladiador, Mini Gladiador
– Eventos Semanais; Eventos Mensais;
– EventoBuilder
– CZWAR

Apex Ass Block Class Craft Dom Ect End Ender Erver Esp Grief Hack Inecraft Mine Minecraft Network Nks One Please Plugin Plugins Ran Random Rank Ranks Seed Server Simp Simple Smp Snapshot Survival Title Two Vanilla

EnderNetwork

Post author By ServerFinder
Post date June 11, 2020

A simple 1.16 minecraft SMP Server!!!, Random seed, No Plugins and No ranks, Treat everyone with respect and Please dont hack or grief

Active Auction Best Casino Community Craft Crates Custom Dedicated Eco Econ Economy End Friendly Head Heads Hub Job Jobs Lands Mcmmo Minecraft Mines Mmo Play Player Pvp Rank Ranks Rewards Server Shop Sky Skyblock Staff Store Survival Vote Voting War

The Skyblock Hub

Post author By ServerFinder
Post date June 11, 2020

COME JOIN US! IP: SB-HUB.COM

Minecraft 1.15.2 Skyblock Server IP

Skyblock Hub is the ultimate classic skyblock server. We provide the best fully customized Skyblock gameplay around. Our community is second to none, and filled with friendly players! We have player mines, voting, crates, upgradeable islands, and casino!

– Compatible Versions: 1.8 – 1.15.2
– Friendly & Dedicated Staff Team
– Casino, Upgradeble Islands, Player Mines
– McMMO, Crates, Vote for Rewards
– Jobs, Heads Shop, Auction House
– Epic Ranks at http://store.sb-hub.com/
*Formerly: Planet Skyblock, Survival Skyblock, Faded Skyblock, Shadow Skyblock.

COME JOIN US! IP: SB-HUB.COM

Ace Active Best Build Building Class Craft Create Crops Different Eco Econ Economy Event Experience Farm Farming Grief Haven Inecraft Join Lit Mine Minecraft Mini Games Peace Peaceful Play Player Players Pve Rank Ranks Roleplay Sell Server Survival

Peaceful Farms

Post author By ServerFinder
Post date June 11, 2020

Welcome to Peaceful Farms

What are we? Well, we are a farming economy server.

What is the objective? Create the best farm you can! You have little limits on what you can build! Sell your crops and rank up, we have over 30 ranks that you can achieve!

Do you have to farm? Of course not! For many players, the server is a haven for building as we are tough on grief and have systems to prevent it.

What are you waiting for? Join Peaceful Farms! For a different type of Minecraft experience for all!

Achievements Active Auction Community Custom Dedicated Discord Eco Economy Enchantments End Event Events Friendly Grief Job Jobs Mature Mcmmo Mmo Mob New Parkour Perks Play Pve Pvp Quest Quests Raiding Ranks Rewards Server Shop Shops Survival Vanilla Vote Website

Mistylands Survival

Post author By ServerFinder
Post date June 11, 2020

Welcome to MistyLands. We started back in alpha 2010 and has grown now to become the mature and friendly server that we are today. Mistylands is a Community focused survival server where you can play with Keep Inventory Enabled or Disabled and Griefing/Raiding is strictly prohibited.

The economy is community driven, with a variety of ways to earn money. You can join jobs, set up shops or list items on the auction house. There are also Quests to complete and over 400 Custom Achievements for you to unlock and earn multiple rewards such as economy, items and custom Tags!

To enhance the gameplay, we offer special abilities with McMMO, all with a custom config that will make the most dedicated of players shine bright. We also have over 100 custom enchantments plus a brand new pvp arena for you all to get stuck in to.

We have a whole new set of Voter ranks where players can rank up and gain access to a whole bunch of extra perks commands and other rewards.

We also offer multiple voter rewards, toggleable pvp, custom mobs, Events, Grief Protection. Server shops and a whole lot more.

Website: https://mistylands.net
Server IP: Mistylands.net
Discord: discordapp.com/invite/Zmqknsj

Active Adventure Auction Auctionhouse Backpack Best Crates Create Custom Dedicated Discord Economy End Job Jobs Lag Leaderboards Lore Lottery Mcmmo Mmo Nether Perks Play Player Plugin Plugins Pve Rank Ranks Roleplay Server Shop Staff Store Survival Town Towny World

DivineTowny

Post author By ServerFinder
Post date June 11, 2020

Welcome:

Divine Towny is a 1.15.2 survival server, dedicated to providing the best gameplay for our players. Rank up through 21 in-game ranks by earning money through Jobs or the shop. These ranks provide you with perks and commands that will help you along your adventure! Create or join a Town to team up with fellow members and climb the leaderboards together. All feedback is greatly appreciated; ensuring Divine makes our players happy is our number 1 priority. From the DivineTowny staff team, we hope you enjoy your stay!

IP: play.divinetowny.com
Discord: https://discord.gg/trXGypm
Store: http://store.divinetowny.com/

Plugins/features: 21 In-game Ranks, Jobs, McMMO, Crates, Backpacks, AuctionHouse, Lottery, Harbor, ShopGUI
> Each plugin is customized and tailored to fit Divine’s style, with interactive menus and database storage wherever applicable

Worldborders: Towny 20k x 20k, End 20k x 20k, Nether 2.5k x 2.5k, Resource 6k x 6k
> All four worlds are pre-rendered in order to mitigate lag.

Active Allowed Anarchy Ban Class Color Eco Econ Economy Elytra Grief Griefing Hack Hacks Hate Help Helpful Ill Join Lag Land Lit Lore New Open Play Player Pve Pvp Rank Ranks Riverland Server Small Trade Vanilla Version War World

Riverland Anarchy

Post author By ServerFinder
Post date June 11, 2020

Hello! Riverland Anarchy is a brand new Anarchy server opening in 1.15.2!
-Hacked clients are encouraged
-Griefing is allowed
-All major hacks are enabled.
-Unmitigated use of elytra+
-Dupes have been patched to maintain a healthy economy
-Backwards and forwards compatibility. Join with whatever version you’d like!
-Worldborder of 1 Million
-/trade To promote a server wide economy
-ranks which provide access to helpful commands and nicknames
-colored anvil
We are not a pure Anarchy server as we want to keep the server playable, and thus lagg machines are banned. Anything else goes! Come join us today! We have a small but strong player base already established and we’d love for you to come join us.

River

Active Build Builds Class Complex Crates Custom Developed Economy Forge Great Gyms Happy Help Helpful Ill Join King Mod Modpack Nice Pixelmon Pixelmon Reforged Play Player Plugin Pve Pvp Rank Ranks Reforged Server Small Staff Survival Tech Technic Tournaments Vote

HappyCloud

Post author By ServerFinder
Post date June 11, 2020

To join, simply install this pack! https://www.technicpack.net/modpack/complex-pixelmon-reforged.1178321

We’re a smaller Pixelmon server that’s still growing, but even so, we already have plenty of builds, experienced and helpful staff, and a Route that is coming along rather nicely!
We have Drop Parties every Saturday, and Tournaments every Sunday!
We have a custom plugin developed by our own in-house developers. Some of the great features include Voltorb Flip, and Shulker Boxes!

We’re currently running Pixelmon Reforged

We have working Vote Crates, and we plan on getting our own series of player gyms, with ranks and benefits that come with each gym!

We hope to see you on our server soon!

Active Arena Community Craft Creative Custom Diamond Dogecraft Economy End Event Events Fly Free Friendly Help Job Jobs Land Lore Mcmmo Mmo Mod New Play Player Players Protection Pve Pvp Rank Ranks Rewards Server Skyblock Staff Survival Vanilla War

DogeCraft

Post author By ServerFinder
Post date June 11, 2020

Growing community that offers a custom suvival experience. Active friendly player base and staff team to help you get the most out of our server. Doge has custom advance crafting recipes for end game tools to extend the survival experience past getting diamond armor. During holidays Doge often has events for the players to explore and complete for extra rewards. Staff takes player opinions into consideration when we implement new features to the server.

Some of our features:
• Mcmmo
• Land-Protection ( Residences )
• Free Fly Time when the public goal is met
• Custom Recipes for non-vanilla items
• In-Game Ranks
• Jobs
• PvE with a PvP arena
• Friendly Community
• Events
• More game modes under development

Smp Survival Vanilla

Zirconium SMP

Post author By ServerFinder
Post date February 10, 2026

ZirconiumSMP is a semi-vanilla survival server focused on economy, towns, and player freedom, featuring balanced plugins, claims, trading, and more, join our discord for more! Also, expect more features in upcoming “updates”.

play.ZirconiumSMP.com

Anarchy Survival Vanilla

Depth SMP

Post author By ServerFinder
Post date February 10, 2026

*There may be lag as this is a self-hosted server on a spare pc i am working on optimizing it*

depth smp is a completely vanilla semi-anarchy SMP. HACKING IS BANNED EXECPT FOR XRAY. greifing, raiding, and stealing are allowed. if there are any issues feel free to contact me on xbox at: herobrine205822

communications-foul.gl.joinmc.link

Lifesteal

FrinzMC

Post author By ServerFinder
Post date February 10, 2026

FrinzMC Chapter 2 marks the beginning of a new era where survival is harder and every decision carries weight. The world has been completely reset, offering a fresh start for all players and a chance to build power from nothing. Resources are untouched, land is unexplored, and danger exists at every corner. This chapter is designed to reward skill, strategy, and consistency.

At the core of Chapter 2 is the Lifesteal system. Every PvP encounter matters. Defeating another player allows you to take one of their hearts, increasing your own strength, while death results in losing part of your power. This creates a high risk environment where fights are meaningful and trust is never guaranteed. Alliances can bring security, but betrayal is always a possibility.

Players can choose their own path. Some may focus on grinding and building hidden bases, while others may aim to dominate through PvP and large scale wars. Clans will form, enemies will rise, and conflicts will shape the future of the server. No action is without consequence, and every moment contributes to the ongoing story of Chapter 2.

With improved balance, smoother performance, and a focus on fair gameplay, FrinzMC Chapter 2 is more than just a reset. It is a test of survival, power, and ambition. Those who adapt will rise. Those who fail will be left behind.

wings-nl1.halix.cloud:19172

Economy Prison Pve Pvp Rpg

Artheris

Post author By ServerFinder
Post date February 10, 2026

ARTHERIS — THE NOVE BEFORE RANKUP RPG
Tired of generic servers with purchased systems? Artheris was forged from the ground up for players looking for depth, strategy, and a real PvE challenge.

A MINE LIKE YOU'VE NEVER SEEN
Forget conventional mines. In Artheris, mining is the heart of a Progressive PvE Ecosystem.

Gradual Rank Evolution: Our progression has been mathematically balanced. Each Rank achieved unlocks not only new ores, but access to essential technologies and weapon slots.

Mine PvE: Here, mining is a living activity. The environment reacts to your progress, making the journey from Rank 1 to 10 a true climb in prestige.

Foundation of War: Everything you mine serves a purpose: funding your skills and preparing your kit for the real challenge — the Dungeons.

DUNGEONS: AUTHORIZED SYSTEMS (MADE FROM SCRATCH)
Our Dungeons do not use basic plugins. Every line of code was written to create an Action RPG experience within Minecraft.

New Skills: Mana spheres, gravity manipulation, life changes and berserker modes. Our skills have real risk and reward mechanics.

Integrated Party System: Form your elite squad with the /dg command. Teamwork is mandatory: the Healer needs to keep the Tank alive, while the Mage controls the horde for the Warrior to finish.

Bosses with Advanced AI: Face bosses that have attack patterns, rage phases and special abilities. It's not enough to hit; You have to learn the pattern to survive.

THE TECHNICAL DIFFERENTIAL
Custom Loadout: Manage your skills and equipment in intuitive, modern visual menus.

PvE Hardcore: The focus is on overcoming the environment. Your enemies are smart, strong and require you to master their class.

Sustainable Economy: A lively market where the effort in the mine directly reflects on your power within the Dungeon.

Currently, Artheris is in the development phase. If you're looking for a Rankup RPG with unique mechanics, join our community on Discord and follow the progress!” Discord: https://discord.gg/yfHWrs9p

artheris.com

Bedrock Cross-Play Lifesteal Raiding Smp

visible mc

Post author By ServerFinder
Post date February 10, 2026

WELCOME TO VISIBLE MC
Indias Best Lifesteal SMP Experience
LIFESTEAL SMP – With PvP, steal hearts and increase your power
Active and Friendly Community – Daily players plus fun gameplay
Smooth Performance – Lag free and optimized server
DAILY VOTE REWARDS – Vote and get free rewards
Vote Rewards Includes
Coins or Money
Crate Keys
OP Items
Extra Rewards and Bonuses
Vote daily to support the server and get more rewards
Server IP: play.visiblemc.net
Thanks for voting and supporting Visible MC

play.visiblemc.net

Kitpvp Lifesteal Parkour Pvp Survival

CoreMMC

Post author By ServerFinder
Post date February 10, 2026

Welcome to the CoreMMC Server & Official Voting Link!

Welcome to CoreMMC, one of the best Minecraft servers in India, where fun, fairness, and features come together!
Enjoy lag-free gameplay, a friendly Indian community, and exciting game modes made for real Minecraft lovers.

ovh-mu.warnode.cloud:8049

Smp Survival Towny Vanilla

Azrealia

Post author By ServerFinder
Post date February 10, 2026

Practically brand new server, /sethome and claims installed. hoping to build a small friendly community that can enjoy this game together. Owner is frequently active and is fairly new to server ownership, always welcome to suggestions and critique. A potential discord server can be arranged for further communication and information on server news and events.

srv129.godlike.club:26145

Gens Prison Pve Pvp Raiding

Tower Of Bedrock

Post author By ServerFinder
Post date February 10, 2026

New Competitive MMORPG Prisons experience! There is: Raiding, Vaults, Bombs, Guilds, Outposts, custom enchants/items, generators, mobs/bosses, 10+ worlds & daily player-driven updates. Mind-blowing fun awaits!

play.towerofbedrock.com

Survival Vanilla

Cow Survival Evolved

Post author By ServerFinder
Post date February 10, 2026

New and upcoming survival server, in need of new active players. If you love survival this server will be great for you. You can use /kits /shop to buy ingame items.

Server will be continue to have updates. I need people to test performance of the overrall server.
Always open for suggestions, ideas. More info will be added soon once more is added to the server.

136.244.103.41

Pvp Smp Survival Vanilla

Flopp Smp

Post author By ServerFinder
Post date February 10, 2026

FloppSMP is a vanilla Minecraft Survival Multiplayer (SMP) server focused on classic gameplay with active PvP. Players are free to explore, build, and fight in a fully survival-based world, where skill and strategy matter.

While PvP is enabled, FloppSMP values a respectful and fair community. All players are expected to treat each other with respect, avoid toxic behavior, and follow basic server rules to ensure a fun experience for everyone.

Whether you enjoy survival progression, competitive PvP, or playing alongside others in a balanced vanilla environment, FloppSMP offers a simple and engaging Minecraft experience.

floppsmp.falixsrv.me

Smp Survival

BG Middle School

Post author By ServerFinder
Post date February 10, 2026

BG SMP is a laid-back survival server that’s all about the community. We’re mostly vanilla with plugins to keep things running nicely. It’s a good spot if you just want to enjoy survival, build cool stuff, and play with chill people. Swing by and see if you like it 😀

Supported Versions: 1.8 – 1.21.11

smp.bgmusic.xyz

Anarchy Bedrock Cross-Play Mini Games Pvp Raiding Smp

Lumenor smp

Post author By ServerFinder
Post date February 10, 2026

Welcome to Lumenor SMP

Lumenor SMP is a 24/7 custom-vanilla Minecraft server running on 1.21.11, with ViaVersion support (1.21.4+).
It supports Java, Bedrock, and cracked clients, so you can play anytime, anywhere.

We feature a unique role system that lets players choose between Passive (peaceful) and PvP (chaos) playstyles, allowing different philosophies to coexist and making the server more fun for everyone.

Explore a custom vanilla world with:

Custom biomes

Huge structures like ancient temples

Powerful rewards and endless exploration

Enjoy:

A player-driven trading shop (not an economy shop – think villager-style trading)

PvP & Passive arenas with keep-inventory enabled (arena only) to practice safely

Custom armor trims that give small buffs

A custom Nether that is very very challenging and nice!!

Strong anti-cheat to keep the game fair

Our server is hosted in Germany for excellent global performance, with staff from Greece, France, Sri Lanka, and Sweden, welcoming players from all over the world.

If you want to explore, learn, fight, trade, and meet new people — Lumenor SMP is the place for you.
Even vanilla-only players usually end up loving it

lumenorsmp.datho.st

Bedrock Cross-Play Mcmmo Pvp Smp Survival

JellyMine Network

Post author By ServerFinder
Post date February 10, 2026

Greetings, Minecraft friends!
Welcome to JellyMine — a newly customized OP Survival server built by friends who met online over the years.

IP: play.jellymine.net – Java and Bedrock!

Join us and play!

play.jellymine.net

Anarchy

Irrenanstalt

Post author By ServerFinder
Post date February 10, 2026

Welcome to a true Minecraft Anarchy Server — a world without limits, without protection, and without mercy.
This server is built on one core principle: absolute freedom. There are no rules, no moderators interfering with gameplay, no protected areas, and no safety nets. Every action you take is allowed, and every consequence is real. If you break it, steal it, destroy it, or dominate it — that’s the game working exactly as intended.
PvP is enabled everywhere, at all times. There are no safe zones, not even at spawn. The moment you join, you are part of a brutal survival environment where other players are the greatest threat. Alliances can form, but betrayal is always an option. Trust is rare, and paranoia is often justified. Whether you choose to hunt others, build in secrecy, or wage long-term wars, your survival depends entirely on your skill, awareness, and strategy.
This is not a casual server. Progress is hard-earned. Bases will be raided. Hidden stashes will eventually be found. Massive builds can and will be griefed. The world is persistent and unforgiving, shaped by the actions of its players over time. Nothing is reset, nothing is rolled back. History is written directly into the terrain — scars of past conflicts, abandoned megabases, and ruins of fallen empires tell the story of those who came before you.
Cheats, exploits, and unconventional playstyles are part of the anarchy experience. Players push Minecraft to its limits, using every mechanic available to gain an edge. Knowledge is power, and those who understand the game deeply will always have an advantage. New players can rise quickly, but only if they adapt fast and learn from their mistakes.
This server is for players who want raw Minecraft, stripped of artificial restrictions. No hand-holding. No second chances. Just survival, PvP, chaos, and freedom. If you’re looking for fairness, balance, or safety, this is not the place for you.
But if you crave danger, unpredictability, and a world where only the strongest endure, then you’ve found your home. Welcome to anarchy.

mc.irrenanstalt.eu

Smp Survival

NexCraftMC

Post author By ServerFinder
Post date February 10, 2026

Welcome to NexCraftMC, a survival server built for players who want the perfect mix of classic Minecraft and exciting custom features. Enjoy a Semi-Vanilla SMP experience with Dynmap, land claims, and smooth performance that keeps gameplay fair and fun. Whether you love building huge bases, grinding for progress, or exploring the world, there’s a place for you here. We focus on no pay-to-win, balanced progression, and a friendly, active community. Our staff team keeps the server safe, welcoming, and drama-free while regular events and updates keep things fresh. Go solo or team up, make your mark, and call NexCraftMC home.

nexcraftmc.v6.rocks

Anarchy Pvp Vanilla

Amethyst Anarchy

Post author By ServerFinder
Post date February 10, 2026

Amethyst Anarchy is a no-rules, lawless Minecraft server with no claims or anti-cheat. Embrace chaos, absolute freedom, and raw gameplay in an untouched, anarchic world where anything goes. good bye ))

amethyst.vanilla.house

Bedrock Economy Kitpvp Pve Pvp Smp Survival

NightVanilla

Post author By ServerFinder
Post date February 10, 2026

NightVanilla

Reasons to join us
we are an upcoming Minecraft Crystal PvP economy server!

> – Daily Keyalls
> – Daily Events
> – Stable economy
> – Active PvP
> – Friendly community
> – Active discord voice chats!

NightVanilla.net
19132
Join us today and start your grind!

https://discord.gg/nightvanilla

NightVanilla.net

Lifesteal

Hubbsmp

Post author By ServerFinder
Post date February 10, 2026

Hubbsmp by posts_7410
*** Non-stop grinding cash keys gear addictive ***
Griefing bases allowed epic raids and laughs
Blow up mega builds sneak attacks pure chaos
Rules: no toxicity no racism no hacking
See discord for more all else allowed
Active staff events giveaways popping
Vote 1 key + 25k cash per vote stack quick
IP hubbsmp.net
Grind raid vibe with real players
*** Jump in the fun starts now ***
(204 characters)
Option 3 (Short with stickers):
Hubbsmp survival owned by posty_7410
Grind cash keys gear feels great <
Grief bases allowed exciting raids revenge fun
No toxicity no racism no hacking
Full rules on discord rest is game on
Staff active community events giveaways
Vote = 1 key + 25k cash every time
IP: hubbsmp.net
*** Grind hard grief harder join today ***

168.119.78.155:46381

Bedrock Earth

Galaxiacraft Network

Post author By ServerFinder
Post date February 10, 2026

In GalaxyCraft you will find more than a server: an active community, weekly events and rewards for new players. Enjoy mini-games, exclusive kits, and your own economy as you rank up and collaborate with friends on custom adventures. The Minecraft universe awaits you, don't be left out of the fun!

galaxiacraft.mc-crafters.com

Economy Pve Pvp Survival Towny

VibeCore

Post author By ServerFinder
Post date February 10, 2026

VIBECORE: Build a Civilization, Not Just a House. Real Economy. True Democracy.
A CHAIN OF PRODUCTION
On VibeCore, you cannot simply warp into the wild and build a mansion. We simulate a Hyper-Real Economy.
Interdependency: To build a house, you need a Realtor to sell you land. You need Miners to gather resources. You need Builders to construct. Every job matters.
The Realtor System: Land isn’t claimed with a golden shovel. You buy and rent property through immersive holographic terminals managed by the state.
Physical Banking: Money is a physical asset. You must visit ATM Blocks (Emerald) to manage your finances. No magic commands.
TRUE DEMOCRACY
You don’t just follow rules; you make them. VibeCore is run by its players.
Physical Voting: Elections aren’t held on Discord. You must travel to Voting Booths (Iron Blocks) located in the city to cast your ballot.
Player Government: Elected officials control taxes, laws, and city planning. Your job depends on their policies.
THE HOLO-OS REVOLUTION
We have removed the immersion-breaking “Chat Commands” and “Chest Menus” found on other servers.
Holo-UI: Interact with floating 3D interfaces in the world.
Seamless Input: Setting prices or naming your company happens through a seamless chat-input system that feels like talking to an NPC.
No Commands: From voting to banking, you play the game, not the chat box.
ORDER VS. CHAOS
Will you be a law-abiding citizen or a Syndicate Kingpin?
Jumptown (The Underworld): When the economy gets tough, the Vibe Synthesizer offers a high-risk illegal income.
Tactical Crime: Manufacture “Vibe-Rush”, manage the heat of your machinery, and physically smuggle heavy crates past the police.
The Police Force: Real players are hired to enforce the law, raid illegal labs, and seize contraband for state bounties.
WHY PLAY VIBECORE?
For the Builder: Your skills are finally worth money.
For the Politician: Your words can change the server.
For the Criminal: The thrill of the heist awaits.
Join the Society. Build your Legacy.
Join VibeCore.

185.83.153.56:25586

Minecraft Servers to Join

Minecraft Servers List

Minecraft Servers Survival