Solve the random numbers puzzle
Talk to the Kiryat priest
Solve the Cube puzzle
Talk to Sergio
Finish the report
Talk to the Chief.
Talk to the Pentatonical Priest
Escape through the Bar shelf.
Talk to the Dinosaur Head.
Open the door of your house with a key
Finished the prologue.
Be victorious any time.
Ask the priest for a duel.
Be victorious for a second time.
Stay at peace.
Finished the game
Opened the Naropolus' door
Repaired and scavenged the robots.
Solved the RGB puzzle.
Ask the Fugu for advice 5 times in the same location
Tune the piano
Get the Game Over screen
Intimidate your PC with a hammer
Wait for an elevator for a while