It's A Blast!

It's A Blast! is a physics-based, explosive multiplayer jousting game in which you fight your friends by headbutting each other into submission. Every 3 seconds a blast will propel your character forward as you aim for your opponents' buttocks. Use the pandemonium, environment and momentum to your advantage and remain as the last man standing!

• Chaotic, physics-based headbutt jousting action!
  
• Local multiplayer.
  
• Weekly updates with ridiculous content.
• An ever expanding roster of playable characters, maps and modes.
• Mouse and controller support: only 1 button needed!
• Extraterrestrial-controlled bots.

If you like playing this game and would like to see online multiplayer, cast a vote on Steam Greenlight