Here is the full list of all 62 Nova Nukers achievements.
Unlock a Character Skin
Throw 100 Bombs
Fall into Lava for the first time
Interrupt an enemy's absorber beam by running away
Win a match by catching only a specific player
Play a round during which all players fall into the lava
Win a match with 3 other players without one of them getting a single point
Don't get stunned once during a whole match
Catch an enemy by absorbing him while he falls into the lava
Don't get caught once during a whole match
Set foot on a new planet
Unlock 1 Item
Catch all other players in one round
Catch an enemy
Stun an enemy with the Dash
Play a Game with at least one Bot
Throw 1000 Bombs
Fire 100 Nova Nukers
Win a match vs 3 Normal bots on default settings
Win a Game vs 3 Hard Bots on default settings
Win a match vs 3 Insane bots on default settings
Catch an enemy with the Sharkzooka
Stun an enemy with the Orbital Laser
Catch 25 Bots
Catch 100 Bots
Catch 250 Bots
Stun an enemy with a Smoke Bomb
Play an Online Game
Play 100 Online Games
Play an Online Game with 3 friends
Play a Local Game with 2 Players
Complete a Local Game with 4 Players
Catch another Player
Catch 10 other Players
Catch 100 other Players
Unlock 6 Items
Unlock all Items
Set foot on the last planet
Unlock all Skins for one Character
Unlock all Character Skins
Unlock everything
Play a round on Glazios which lasts longer than 3 minutes
Get all other Achievements
Stun an enemy who was almost done catching you
Play a round which lasts longer than 5 minutes
Catch 3 enemies within 10 seconds
Catch an enemy with a shark shortly before it disappears
Get stunned 3 times within 5 seconds
Reduce the duration of a stun below 1 second
Catch an enemy with the sharkzooka while he is absorbing you
Stun an enemy with a Smoke Bomb while he is absorbing you
Catch a stunned enemy with the Sharkzooka
Stun 2 or more enemies with a single Bomb Blaster use
Stun 3 enemies with a single Red Bomb
Interrupt a players absorber beam by running away with an active Energy Drink
Stun an enemy with the Dash and an active Energy Drink from as far away as possible
Stun 3 enemies with a single Nova Nukers use
Stun 2 enemies with a single Nova Nukers use
Stun 3 enemies with a single Triplet throw
Stun 3 enemies with a single Dash
Throw a Robo-Chicken that lives long enough to lay 10 eggs
Have 7 Sonar Mines active at the same time