Here is the full list of all 30 Prodeus achievements.
Finish A Level Without Killing Any Enemies
Finish A Level Without Taking Damage
Finish The Campaign
Finish The Campaign With 100% On All Levels
Make 5 Purchases
Find A Hidden Exit In A Level
Pick Up 50 Ore
Finish 10 Levels
Finish A Level Without Dying On Hard Difficulty
Finish A Level With 100% On Hardest Difficulty
Pick Up 25 Ore
Kill 20 Enemies With Environmental Hazards
Make 1 Purchase
Pick Up 10 Ore
Finish A Level Without Dying
Find All The Secrets In A Level
Kill All Enemies In A Level
Finish A Level with 100% On Any Difficulty
Obliterate An Enemy With Your Fists
Get 100 Enemies To Kill Each Other
Get 20 Enemies To Kill Each Other With Friendly Fire
Break 10 Shields
Kill 10 Cloaked Enemies
Kill 10000 Enemies
Kill 1000 Enemies
Kill 10 Enemies In A Row
Obliterate 100 Enemies
Kill 100 Enemies
Kill 5 Enemies In A Row
Melt 20 Enemies With The Chaos Caster