There are 20 achievements in Chaos Faction.
Kill someone with a dropped weapon
Burn someone to a crisp
Hit someone with a full-powered wind-up punch
Make 5 KO's with rage attacks in one match
Collect 20 crates in one match
Go offscreen and recover
(Hint: side-swipe + double jump!)
Don't lose any lives in a campaign challenge
Make an awesome level in the Level Editor and play a match on it.
Play 10 deathmatch games
Complete a campaign challenge without harming anyone.
Earns salad fingers.