1 PK 99, 5 new modes for io game. 99 deaths, only 1 survive. Are you the last winner? 1000000 players online. You can play with other friends! Welcome to Snake Battle Royale. Io! This is a most popular snake game in 2019. There are multiple modes for the Snake game: Battle Royale Mode. 1. 100 snakes will be dropped into a room. Only the last snake survives.