Complete the indicated task to unlock the achievement.

Achievement	How to unlock
All the gifts for meee!	Collect 100 gift packages in Xmas Mayhem level.
Easy Win	Winning on "Casual" Difficulty.
Hard Win	Winning on higher than "Hard" Difficulty.
Jet is Dead	Defeating RX-TDY Jet Fighter from Star City 17.
Jet is Dead (HARD)	Defeating RX-TDY Jet Fighter from Star City 17 on Hard difficulty.
Kraken was Flattened	Defeating Techno-Kraken from Water World.
Kraken was Flattened (HARD)	Defeating Techno-Kraken from Water World on Hard difficulty.
Panzer got Cancelled	Defeating Kong 25 - Panzer Devastator from Pirate Base.
Panzer got Cancelled (HARD)	Defeating Kong 25 - Panzer Devastator from Pirate Base on Hard difficulty.
Secret Xmas Mayhem	Find secret Xmas Mayhem level.
Set for Victory	Completing your first item set.
Sledge to the Edge	Save the sledger before the tragic end.
Titan done Fightin'	Defeating Necrodroid Titan from Moon Colony.
Titan done Fightin' (HARD)	Defeating Necrodroid Titan from Moon Colony on Hard difficulty.