Here is the full list of all 33 Too Angry to Space achievements.
Shoot 1000 bullets with a rifle.
Collect 10 dog-tags.
Die three times.
Destroy 20 robots.
Turn off the laser.
Open the doors using two different kinds of cards.
Destroy 10 computers.
Destroy 20 tanks.
Use Angry Mode with Auto-Angry option.
Complete the tutorial.
Turn down the music to zero.
Use reset level option once.
Use hard restar option once
Squat 30 times while flying.
Squat 10 times.
Read the manual.
Use the Angry Mode 3 times.
Shoot 100 bullets from the gun.
Destroy 10 jelly-aliens.
Shoot 50 rounds with a shotgun.
Destroy 10 ugly-eye-aliens.
Die in the poisonous fumes.
Use the rocket launcher 10 times
Destroy 50 bombs.
Play and finish the game in hard mode.
Finish the game in ultra mode.
Shoot 10 000 rounds from the rifle.
Die 100 times.
Complete the first chapter.
Complete the second chapter.
Complete the third chapter
Complete the game.
Find all the secrets.