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gptkbp:instance_of
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gptkb:video_game
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gptkbp:bfsLayer
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4
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gptkbp:bfsParent
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gptkb:Commander_Keen_Series
gptkb:Commander_Keen
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gptkbp:art_style
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cartoonish
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gptkbp:critical_reception
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positive
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gptkbp:developer
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gptkb:id_Software
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gptkbp:enemy
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gptkb:Vorticons
Bouncing Ball
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gptkbp:first_released
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gptkb:Episode_3:_Keen_Must_Die!
Episode 1: Marooned on Mars
Episode 2: The Earth Explodes
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gptkbp:game_engine
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Game Engine 1.0
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gptkbp:game_features
|
gptkb:museum
boss battles
secret levels
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gptkbp:game_modes
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single-player
episode-based
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gptkbp:gameplay
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side-scrolling
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gptkbp:genre
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gptkb:video_game_series
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gptkbp:graphics
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2 D graphics
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gptkbp:has_ability
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running
jumping
shooting
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gptkbp:in-game_items
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gptkb:power-ups
gptkb:keys
score points
gems
lives
warp zones
health packs
teleporters
bonus items
enemies' drops
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gptkbp:influenced
|
future platform games
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gptkbp:influenced_by
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gptkb:Super_Mario_Bros.
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gptkbp:legacy
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pioneered shareware distribution
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gptkbp:level
|
puzzle elements
platforming challenges
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gptkbp:main_character
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gptkb:Billy_Blaze
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gptkbp:narrative_style
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gptkb:Author
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gptkbp:objective
|
defeat the Vorticons
rescue the kidnapped characters
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gptkbp:platform
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gptkb:MS-DOS
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gptkbp:power_ups
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extra lives
raygun
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gptkbp:publisher
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gptkb:Apogee_Software
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gptkbp:release_date
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gptkb:1990
|
|
gptkbp:sales
|
over 100,000 copies
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|
gptkbp:sequel
|
gptkb:Commander_Keen_in_Goodbye,_Galaxy!
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|
gptkbp:series
|
gptkb:Commander_Keen
|
|
gptkbp:setting
|
outer space
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gptkbp:sound
|
PC speaker
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