Here is the full list of all 21 Redirection achievements.
Get 100 subscriptions and an overall positive rating on a mod you published to the Steam Workshop
Unlock WORM in the Robot Arcade, and reach a length of 100 centimeters
Unlock every gameplay achievement
Play 10 different games in the Robot Arcade
Watch the opening cutscene
Complete 50 levels from the Steam Workshop
Complete 10 levels from the Steam Workshop
Complete a level in the Main Campaign with obstacles left over
Complete a level from the Steam Workshop
Unlock QUEST in the Robot Arcade, and save the kingdom
Create and test a level in the Mod Editor
Unlock INVADERS in the Robot Arcade, and score over 750 points
Watch the closing credits all the way to the end
Complete every level in the Main Campaign
Unlock TENNIS in the Robot Arcade, and win one round
Rescue 100 Robots
Void the warranty of 5 Robots
Rewind 100 times
Beam down 100 obstacles
Misplace 5 Robots
Complete the first level in the Main Campaign