Here is the full list of all 34 Robot Heroes achievements.
Watch Background Story
Play game
Resist the first monster attack
Defeated Argus
Resist the second monster attack
Defeated Gaia
Resist the third monster attack
Defeated Themis
Resist the forth monster attack
Defeated Satyrs
Resist the fifth monster attack
Defeated Dionysus
Defeated the first monster attack in hell
Defeated the second monster attack in hell
Defeated the third monster attack in hell
Defeated the forth monster attack in hell
Defeated the fifth monster attack in hell
Defeated Bigboss
Stay in the lobby for 30s
Exit the game 100 times
Use “Rocket” 60000 times
Use “Rock” 10000 times
Use “Bomb” 40000 times
Use “Recycle” 30000 times
Kill 5000 Eyes
kill 3000 bees
Kill 3000 Big eyes
Kill 2000 little stones
Kill 1000 Big stones
Kill 540 Little triangles
Kill 540 big triangles
Kill 270 Tumbleweeds
Kill 15930 monsters
Kill 540 Triangles