Here is the full list of all 32 Arm of Revenge Re-Edition achievements.
Got rank S in any stage
Got rank SS in any stage
Got rank SSS in any stage
Beat the game at easy mode
Beat the game at normal mode
Beat the game at hard mode
Beat the game at expert mode
Got rank S in all stages (easy mode)
Got rank S in all stages (normal mode)
Got rank S in all stages (hard mode)
Got rank S in all stages (expert mode)
Beat the game under all difficulties
10 times Just Defense in total
100 times Just Defense in total
1000 times Just Defense in total
Kill 500 enemies in total
Kill 5000 enemies in total
Kill 50000 enemies in total
Health upgraded to the max
Skill point upgraded to the max
Energy slot upgraded to the max
Attack upgraded to the max
Gun arm upgraded to the max
All parts upgraded
Learned all skills
Last 10 round in survival mode
Last 100 round in survival mode
Last 300 round in survival mode
60 combos
150 combos
350 combos
Played 6 hours in game