Wormifi vs Slither.io, honestly
We built one of these two games, so read this knowing that. Here's the fairest side-by-side we can write — including the columns where the original still wins.
Where the games agree
Both are browser worm arenas with the classic contract: your head is your only weakness, growth comes from collecting, dead rivals drop real mass where they fell. Both are free and playable seconds after you decide to play. If you love one loop, you'll recognize the other instantly.
What Wormifi does differently
Server-authoritative collisions in live rooms (the browser renders, the server judges), a visible sprint price — 2.0× speed for −4 size per second, paid out of your own body as collectable wake loot — animated skin materials rather than flat patterns, two boards and three room paces, friend rooms by code, no ads before play, no account, and installation without an app store with offline solo modes. The design through-line is conserved mass: nothing appears from nowhere.
Where Slither.io is still ahead
Population and history. The original has a decade of players, so its public arenas are full of humans around the clock, in every region. Our live multiplayer is an honest preview — one shared room design with visible human counts and labeled AI backfill while it grows. If "always a hundred humans on screen" is your one requirement today, the original earns that column, and pretending otherwise would be exactly the kind of claim we don't make.
The quick verdict
Pick Slither.io for maximum crowd right now. Pick Wormifi for fair collisions, honest costs, readable treasure, modern skins, and a game that installs and plays offline. Or read the full genre roundup for everything in between.