Gain a key
Discover a PC
Survive the drowning attempt
Press a button on the floor
Beat the first boss
Libraries have those
Beat the second boss
Beat the third boss
Complete the game with any ending
Make things turn out well
You have discovered and collected the first tube! Now, what might it be for...
You have discovered and collected the second tube! Tricky one...
You have discovered and collected the third tube! Curious...
You have discovered and collected the fourth tube! You're on fire!
You have destroyed 5 enemies