Room24.io is funny multiplayer io game. First decision you need to make is to choose human or cockroach. And the battle begins. You need to eat food till you reach score 10, now you can attack enemies. Score limit is equal to 200k, after reaching the limit you become ghost. That means the you become invisible to other players.
You can be visible only if you attack some or someone accidently attack you. Ghost have additional abilities: your damage don’t depend on your score anymore, switch the light and no one could see except you, shake the room. Available only for human ghosts.