Here is the full list of all 22 Bomsy achievements.
Get a kill from a Comeback Bomb.
Win a round in 10 seconds or less.
Get two kills with one Nuke Bomb.
Unlock 5 skins.
Unlock 10 skins.
Unlock 20 skins.
Unlock all skins.
Get 2 gift boxes in one match.
Pull off a freeze and default bomb combo.
Get 5 turret kills.
Stay airborne for over 10 seconds.
Get 10 kills.
Get 50 kills.
Get 100 kills.
Get 500 kills.
Shoot a bomb through a wormhole and get a kill.
Use LifeLine twice in one round.
Absorb 500 damage with Diamond Skin.
Get 3 consecutive direct hits with Default Bom within 5 seconds.
Kill 50 swamp flies.
Kill 50 sand worms.
Comeback twice in 1 game.