Full list of all 32 In Extremis achievements.
The base game contains 28 achievements, and there is 1 DLC pack containing 4 achievements.
Finish the game
Finish the game on Easy or higher
Complete the game using two or less Continues
Complete the game without using a Continue
Finish the game on december 31; then go out and raise some hell.
Get three extends in one run
Break your first Threshold
Enter the Last Sector for the first time
Complete any stage without losing a life
Beat a stage without dying or going into Drive
Complete any stage without using a continue
Get a 9x multiplier, and mantain it for 30 seconds
Visit all levels
Finish the game on Medium or higher
Finish the game on Hard
Break all the Thresholds
Reach Level 10
Lose a hundred lives
Beat Ewige Blumenkraft without firing a shot or dying
Beat the final boss in your last life and last continue
Complete the game on Full Loop Mode
Complete the game without using a Continue, on Full Loop, on Awakened Settings. You magnificient person.
Find a secret file
Find all secret files
Defeat The Other, and be reborn
Find the secret stage
Reach the Epilogue
Play the co-op mode
See all of Metatron attack patterns