This game is multiplayer only, it requires 2 controllers to play, so it will only work on a PS TV or Vita3K (vita emulator).
Wiiero is a clone of Liero specially originally developed for Wii. Liero is a PvP game between two worms armed with heavy weapons of all kinds battling in underground caves. Wiiero is composed of 3 game modes: Deathmatch, Capture the flag and game of tag. In the wiiero world, players are able to fight with the original Liero weapons ( there are basically thirty of them) or add the twenty more or less harmful new ones.