Burn 50 bad guys to death.

Step on 40 enemies after using the Shrinker on them.

Use the Incinerator.

Find 70 secret areas.

Finish a secret level.

Finish the "Hollywood Holocaust" level in under 3 minutes.

Carry all weapons with ammo at once.

Use a cheat code.

Achieved the "NEXT Case" ending.

Achieved the "Amnesia" ending.

Achieved the "Delusion" ending.

Checked each room in the five maps.

Finish listening to the fourth level's timeline without fast-forward and rewinding the audio or using the progress bar.