Polyp is a two player PvP game. The players take the roles of two jellyfish controlled by up,down,left,right and W,A,S,D. The players use left and right (A and D) to tilt their jelly and up (W) to move. Down (S) fires a projectile that lowers the other players health. The game features no lives, when players dies a death message is displayed and they will shortly re-spawn.