Instructions
Load the game and on the class selection menu choose the class of character you wish to play. The five character classes available are: Bezerker, Bio-engineer, Champion, Commando and Defender. Each class features a different Ruiner.
Decide which class of character is best suited to your style of play by studying their individual strengths and weaknesses. As a rough guide, the Bezerker is good for beginners, Bio-engineer heals himself but is average in combat, Champion is a decent all-rounder, Commando specializes in long-range combat and Defender boasts strong defensive, but limited offensive, skills.
Start the game and build up your Combo Meter by killing as many enemies as quickly and efficiently as possible. Once your Combo Meter reaches a certain point, you are given the option of using your special Ruiner.
Activate a Ruiner by tapping the right-bumper button on your joypad. The Ruiner will kill almost everything within range and is ideal for combat situations when you are heavily outnumbered or close to dying.