Gish [cheats] - cheats

Level select
Beat the game on normal or higher difficulty.

Warp to Mario level 1-2
On level 1-3 Bash through the 1st set of spikes to the left of the 1st suspended platform fall down the passage and break the Question mark block to warp.

Warp to Pac-man
On level 4-4 right before the collapsing pillars climb under the 1st overhang and break through the wall, fall down the passage and into pacmans mouth to warp.

Warp to Pitfall
On level 2-1 pull the 1st vertical platform to the left, climb the ceiling and drop down using heavy to break through the ground fall down the passage and into a room with a giant pitfall Harry sprite to warp.

Warp to the isle of the dead
On level 3-4 in the room where the skulls fly out of the ground run and grab onto the 1st skull platform that shoots out, ride it up into the air till you see a platform marked 666, jump to that platform to warp.

Satans layer
Complete isle of the dead.

Super hard mode ( ludicrous )
Beat the game on hard difficulty.

Mini mode
Beat the game on ludicrous difficulty.

New vs Levels
Beat the game on normal or higher difficulty.

New vs Mode
Beat the game on hard difficulty.

Steam achievements:
Complete game on ludicrous mode - Beat game on ludicrous mode
Defeated Satan - Defeated satan
Didn't Rescue Brea - Defeated Satan
Found all secrets - Found all 48 secrets in Gish
Found God mode - Found God mode
Found Mario level - Found Mario level
Found Pitfall level - Found Pitfall level
Has real friends - Played a 4 player game
Joined Satan - Joined satan
Made it through Hell without dieing - Made it through Hell without dieing
Rescued Brea - Rescued brea