| http://www.w3.org/ns/prov#value | - The book has educational value as it explains how the game program works, shows ways of modifying the code and proposes problems to be solved in each game, such as altering the game's difficulty.[edit description]ScreenshotsThere are no VIC-20 screenshots for this game.There are 13 other screenshots on file for other versions of this game.[add screenshots]Alternate Titles Rymdspel -- Swedish tit
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