Here is the full list of all 10 Batterneers achievements.
Find the secret gem hiding in the menu.
Collect every powerup in the game.
Catch a boomerang after throwing it.
Defeat 3 enemies with a single sun beam.
Get a kill while flashbanged.
Get struck by lightning 2 or more times in a single game.
Defeat an enemy by throwing a bomb through a wormhole.
As top of the leaderboard, destroy 10 chests in Treasure Hunt.
Win a game of Deathmatch with only explosives.
Get the Forever Spike powerup twice in a single game.