Here is the full list of all 21 CYNK 3030 achievements.
At the end of the level you have to have one life.
Collect all kinds of guns.
Destroy the boss.
Complete two puzzles.
Shoot for no more than 30% of the number of rounds.
Pump character's five abilities.
Save a hundred coins.
Suffocate from gases.
Go through three races in a row without losing a life.
Kill ten enemies from explosion.
Kill ten enemies using time dilation.
Kill the enemy with a puzzle.
To kill fifteen enemies with a jump.
Littering a hundred times.
Kill three enemies with different types of guns in one room.