Kill the level 4 boss

Kill the level 8 boss

Kill the level 12 boss

Kill the level 16 boss

Kill the level 3 boss of the expansion pack

Spend three minutes trying to get past the gate in the first Egypt level

Spend three minutes trying to get past the gate in the first level of the expansion pack

Find all the secret rooms and hidden items

Die for the first time

Use the OP Mega Destroyer for the first time

Get killed by the fan on level 4

Get killed by an environmental hazard like poisonous water, lava, or a trap

Get killed by your own weapon

Shoot off a total of 50 enemy limbs

Gib enemies into a total of 500 chunks

Find all the unique powerups, including Invisibility, the Reflector, and the Chojin Mask

Destroy 20 light sources (light bulbs, etc.)

Blow up at least four enemies with one shot

Kill an enemy with the Reflector

Beat the game

Beat the game on hard

Beat the game without dying

Beat the game in 90 minutes or less

Beat the game using only your first weapon

Beat the game on hard without dying using only your first weapon

Watch the credits at the end of the game