Operation Carnage

Operation Carnage (originally a shareware title but now released by its developer for free) is a Smash TV inspired arena shooting game, where you progress through different single-screen sized areas and blast everything that you see. You can collect powerups to provide special abilities or enhance your weaponry. You can hold multiple guns and switch between them. The visuals and sounds are quite good and the game plays well; the fact that this is the full, complete version of the game is a fantastic bonus.