Yar's Revenge

Cheat Codes:
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Submitted by: David K.

Steam Achievements:
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Complete the following tasks to unlock the corresponding achievement. 
To view your achievements and stats in Steam, select "Community", then
"My profile", then "View all my games", then the game and view stats.

Achievement     Description
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Bee           - Beat the game using only the pulse laser on Normal
                or Hard.
Beetle        - Beat a boss using only the pulse laser on Normal or Hard. 
Boom!         - Kill 20 or more enemies in one shot with the Zorlon Cannon. 
Cloned        - Beat every level in Co-Op Mode.
Cockroach     - Beat the game without dying on Normal or Hard.
Gnat          - Beat a level without taking damage on Normal or Hard.
Hardcore      - Complete all levels in Hardcore Mode.
Mosquito      - Kill (1000) enemies with missiles.
Reaper        - Beat a level in Hardcore Mode without dying.
Wasp          - Kill (500) enemies with the railgun.
Yars' Revenge - Defeated Queen Raktamalina.