Eating Games

You consume smaller things to increase your own size, which then lets you consume larger things. It's a compounding loop, so an efficient opening usually decides the match long before it ends.

Because you're easier to hit. In snake games especially, length means your own body blocks more of the arena, so the thing making you powerful is also the thing most likely to end your run.

SnakeWar.io. It is the most conventional version of the format, so the habits you build there carry across to the rest of this tag.

Generally yes, which is what makes them unpredictable. Other players cut you off deliberately in ways a computer opponent never quite manages, so no two matches play out the same way.

Yes, all of them run free in your browser with nothing to install and no account needed before you start, and you can join a match within seconds.