King of Crabs is essentially 'Agar.io' but with much better graphics and significantly more violence. It’s a hilarious and surprisingly deep battle royale where you start as a tiny crab and eat your way up to becoming a beach-dwelling leviathan. The 3D visuals are colorful and detailed, making the tropical island setting feel like a real playground for crustacean carnage.
The inclusion of weapons like bottles, bats, and even muskets adds a layer of slapstick comedy to the intense survival gameplay. Climbing the leaderboard feels rewarding, especially as you unlock rarer and more powerful crab species with unique abilities. The addition of the 'Crab Royale' mode—with its shrinking sandstorms—brings it in line with modern multiplayer trends, but with a unique, pincered twist. It’s silly, competitive, and very hard to put down.
Available on: iPhone, iPad, iPod
Version 1.21.0Tue Sep 23 2025
Bug fixes, New Season, and more.
Fight to become the biggest crab on the island.
Intense multiplayer fun, battle with up to 100 real players per game!
Scrap, scavenge and slaughter your way to becoming the King of Crabs!
Collect weird and wonderful crab species, upgrade and customise them to help you climb the ranks. Team Up with friends to help or fight each other - it's up to you!
A huge island world is waiting to be explored and conquered. Find a variety of funny and dangerous weapons to give you the edge.
This game combines easy to use touch controls with fun packed game-play.
Incredibly detailed 3D graphics, animation and sound make the experience come alive.
BECOME THE KING
Climb to the top of the leader-board to prove you’re the mightiest crab in the land!
CRAB ‘EM ALL
Collect, upgrade and grow a variety of Crabs. Discover advanced skills and collect unique skins.
WEAPONS GALORE
Find an array of crazy and deadly weaponry to help skew the odds in your favour.
MULTIPLE GAME MODES
Test your worth in the intense PvP game mode, or try PvE for a more friendly time!
REGULAR UPDATES
Look out for new Crabs, skins, maps, special events and games modes in the future.
* Game requires a persistent internet connection.
Please note: King of Crabs is free to download and play, however, certain items are available to be purchased for real money.
If you have any questions or concerns, please contact us at: support@robotsquid.com
Requires iOS 13.0 or later. Compatible with iPhone, iPad, and iPod touch.Fight to become the biggest crab on the island.
Intense multiplayer fun, battle with up to 100 real players per game!
Scrap, scavenge and slaughter your way to becoming the King of Crabs!
Collect weird and wonderful crab species, upgrade and customise them to help you climb the ranks. Team Up with friends to help or fight each other - it's up to you!
A huge island world is waiting to be explored and conquered. Find a variety of funny and dangerous weapons to give you the edge.
This game combines easy to use touch controls with fun packed game-play.
Incredibly detailed 3D graphics, animation and sound make the experience come alive.
BECOME THE KING
Climb to the top of the leader-board to prove you’re the mightiest crab in the land!
CRAB ‘EM ALL
Collect, upgrade and grow a variety of Crabs. Discover advanced skills and collect unique skins.
WEAPONS GALORE
Find an array of crazy and deadly weaponry to help skew the odds in your favour.
MULTIPLE GAME MODES
Test your worth in the intense PvP game mode, or try PvE for a more friendly time!
REGULAR UPDATES
Look out for new Crabs, skins, maps, special events and games modes in the future.
* Game requires a persistent internet connection.
Please note: King of Crabs is free to download and play, however, certain items are available to be purchased for real money.
If you have any questions or concerns, please contact us at: support@robotsquid.com














King of Crabs is a massive multiplayer action game where players battle to become the biggest crab on the island. Scavenge for weapons, eat everything in sight to grow, and take down other players in PvP or PvE modes. Collect and upgrade a variety of weird and wonderful crab species, each with unique skins and advanced skills.
Up to 100 players in a single game
Detailed 3D graphics and animations
Huge variety of weapons and power-ups
PvP and PvE game modes
Regular updates with new crabs and maps
In the early game, avoid direct combat with larger crabs. Focus on eating small creatures and scavenging for a weapon. A simple bottle or wooden plank can make a huge difference in your first few fights.
[The GameDiscoverCo game discovery newsletter is written by 'how people find your game' expert & GameDiscoverCo founder Simon Carless,...
The GameDiscoverCo newsletter Tue Apr 27 2021
King of Crabs is an easy-breezy PvP MMO that apparently hit early access back in 2020 from developers Robot Squid and Spilt Milk Studios.
Massively Overpowered Sat Aug 27 2022
When starting out players will be limited to just the 'common' Tier and there are four to choose from; brown crab, rainbow crab, blue crab, and mitten crab.
Screen Rant Thu Aug 27 2020
Scrap, scavenge and slaughter your way to becoming the King of Crabs! Collect weird and wonderful crab species, upgrade and customise them to...
AppAdvice Fri Jun 27 2025
Developer Robot Squid is returning to the crustacean chaos with something more epic. King of Crabs – Invasion is the new game.
Droid Gamers Sun Jul 27 2025
In the Battle Royale mode, keep an eye on the incoming sandstorm. It will force players together, so try to secure a powerful weapon or a pet like the Flying Fish before the final showdown in the center of the map.
You can unlock new crab species by finding them in the 'Royal Grab' or by using coins and pearls earned during gameplay to upgrade your collection.