Here is the full list of all 51 Rage in Peace achievements.
Beat the Pilgrimage Run mode
"Finish speed run Act 5 faster than 11' 11"""
Get all "It's so Fast, I'm Gonna Die" Achievements
"Finish speed run Act 5 faster than 11' 40"""
"Finish speed run Act 5 faster than 12' 30"""
Beat Act 5 with the fewest deaths below 3 for each level
Beat Act 5 with no deaths for each level
Get all "Death Cheater" Achievements
Beat Act 5 with the fewest deaths below 9 for each level
Complete the game
Complete the game without Goldfish mode
Complete Act 5
Get all mementos in Act 5
Unlock all obstacles in Act 5
Unlock all obstacles
Get all mementos
"Finish speed run Act 4 faster than 7' 16"""
"Finish speed run Act 4 faster than 7' 45"""
"Finish speed run Act 4 faster than 8' 30"""
Beat Act 4 with no deaths for each level
Beat Act 4 with the fewest deaths below 3 for each level
Beat Act 4 with the fewest deaths below 9 for each level
Complete Act 4
Unlock all obstacles in Act 4
"Finish speed run Act 3 faster than 5' 5"""
"Finish speed run Act 3 faster than 6' 10"""
"Finish speed run Act 3 faster than 5' 30"""
Beat Act 3 with no deaths for each level
Beat Act 3 with the fewest deaths below 9 for each level
Beat Act 3 with the fewest deaths below 3 for each level
Complete Act 3
Get all mementos in Act 3
Unlock all obstacles in Act 3
"Finish speed run Act 2 faster than 3' 20"""
"Finish speed run Act 2 faster than 3' 40"""
"Finish speed run Act 2 faster than 4' 20"""
Beat Act 2 with no deaths for each level
Beat Act 2 with the fewest deaths below 9 for each level
Beat Act 2 with the fewest deaths below 3 for each level
"Finish speed run Act 1 faster than 1' 42"""
"Finish speed run Act 1 faster than 2' 30"""
"Finish speed run Act 1 faster than 2'"
Beat Act 1 with the fewest deaths below 3 for each level
Beat Act 1 with no deaths for each level
Beat Act 1 with the fewest deaths below 9 for each level
Complete Act 2
Get all mementos in Act 2
Unlock all obstacles in Act 2
Complete Act 1
Get all mementos in Act 1
Unlock all obstacles in Act 1