Here is the full list of all 37 Knights Rubbish achievements.
Kill The Translator!
Kill The Tablet!
Kill The Radio!
Kill The Robot!
Kill The Eyemac!
Play Keshia Erasia!
Play Wendy Floopy!
Play Ranawato Plato!
Play Othox Codox!
Play Sirurueruerue Senyesuensuesue & Sugsesugsem Sosas!
Killing The Eyemac with Keshia Erasia!
Killing The Eyemac with Wendy Floopy!
Killing The Eyemac with Ranawato Plato!
Killing The Eyemac with Othox Codox!
Killing The Eyemac with Sirurueruerue Senyesuensuesue & Sugsesugsem Sosas!
Stay in the game menu (the title screen) for 78 minutes!
Cast 27 ults!
Stare at the game over scene for 34 minutes!
68911 health healed!
Kill The Eyemac 4 times.
Being grabbed by The Hand 53 times.
Revive 17 ghosts in co-op mode.
Play in solo mode.
Play in co-op mode (either by yourself or with a friend).
Pause the game for 31 times.
Game over for 42 times.
Kill 3310 Punchers or Kickers.
Take 2 actual photos in game.
Take 83014 damage.
Play on the developer's birthday.
Play on Valentine's Day.
A gift to you.
Play on Feb 29th.
Cast 73 down + skill combos.
Play on a Friday Thirteenth.
Click on the Shine Right logo at the bottom left of the game menu.
Deal 908751 damage.