Here is the full list of all 30 The Rewind Factory achievements.
Go outside of a testchamber
Fix the computer problem in chamber 14
Complete a testchamber without killing all the robots
Dodge a bullet with a dash
Return to the testchamber by dying in Chamber 12, after she tells you to go back in the testchamber
Complete a testchamber by only hitting headshots
Kill 50 robots
Get a score of 500 in endlessmode
Fall in the void
Perform 100 rewinds
Die 5 times by falling in water
Max out all playersettings in the level editor
Complete the game
Achieve a velocity of more than 6.000 (leveleditor)
Achieve a velocity of more than 3000 (storymode)
Get hit 25 times by an enemy bullet
Hit 50 headshots
Hit an enemy 100 times
Die by a minigun enemy in a single attack
Find and collect 5 weapon parts
Find and collect 10 weapon parts
Regain 50 bullets by rewinding
Complete a testchamber with the same amount of bullets as you started.
Find a tablet with a log from DB
Find all logs from DB
Enter the lift in chamber 34
Die 15 times by falling in water
Get 10 golden medals
Get 20 silver (blue) medals