Here is the full list of all 20 Fight'N Rage achievements.
Discover All the Endings.
Discover the 50% of the Endings.
Get Rank S with All Characters at Survival Mode.
Get Rank S with All Characters at Time Attack Mode.
Get Rank S with All Characters at Score Attack Mode.
Finish the game at Easy Difficulty.
Finish the game at Normal Difficulty.
Finish the game at Hardest Difficulty.
Get the Gal's Black Belt.
Get the Ricardo's Black Belt.
Get the F.Norris' Black Belt.
Get all Gal's Costumes.
Get all Ricardo's Costumes.
Get all F.Norris' Costumes.
Get All Complements.
Get All Characters.
Finish the game playing at any Extra Speed.
Discover the 25% of the Endings.
Finish the game at Hard Difficulty.
Finish the game without use continues at Normal Difficulty or Harder.