activated the infinite mode

beat 1 cycle of the infinite mode

activated the crt shader

beat 89 with the crt shader active

activate hard mode

beat 89 without dying or on hard mode

beat 89 with less than 10 deaths

activate inverted colors mode

beat the game with inverted colors mode on

click the "listen to ost" button

click the "watch trailer" button

beat the game on ultrahard mode

beat the game on easy mode

beat the game on upside down mode

beat the game in hyperspeed mode

beat the game in small mode