Saturday Night Fever
- Under the disco ball in the bar, click e once and your character will dance. Wait 30 minutes and the achievement will pop.
- Go down to half a heart and while jumping in mid-air against a wall throw a bomb. The ricochet shall kill you in the air.
The Real Game
- To unlock Abyssal difficulty, you must get all 5 dots on Hard difficulty by beating Argus, Hal, Zeus, Ares and Athena. Once this is done the difficulty will permanently unlock and you can play it!