I just compared my achievements with a friend and saw this 3 Achievements worth 60 GS:
Cleaning up the Competition
- 30 GS
Beat arcade mode with Joan of Arc using only the broom on Deadliest Difficulty.
It's Raining Men - 15 GS
As Joan of Arc, knock every other warrior out of the ring to their death.
- 15 GS
As Mack, defeat an opponent with every warrior moveset
Never read something about an Addon ^^ hopefully it won't cost 400 MS Points
- Killers DX -