Full list of all 15 The Absolutely Hilarious Cat Game achievements.
The base game contains 12 achievements, and there are 2 DLC packs containing 3 achievements.
Beat Easy Mode
Beat Normal Mode
Beat Hard Mode
Beat Extreme Mode
Escape out the exit
Get the good ending
Have a staring contest with George
Pay a visit the "The Experiment"
Die 9 Times
Stare death in the face
Beat Impossible Mode
Complete Practice Mode
Throw a coin into the Wishing Well to make your dreams come true...or something
Play the game during the month of October
Play the game during the wintertime