Zapper.io, developed by Ninja.io, is a free multiplayer game available on Android. The game offers two modes: Zapper and Snake. In Zapper mode, players can steal energy from other players by bumping into their tail. On the other hand, in Snake mode, players can block other players but must avoid bumping into their tail. The game is set in a large open world where players can use the electrical grid to get a speed boost.

Zapper.io allows players to generate unique creatures, which they can store in their creature collection. The game is all about becoming the biggest player and collecting all achievements. With its simple yet engaging gameplay and thrilling action, Zapper.io is a must-try for all action game lovers.