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About: Threshold (video game)     Goto   Sponge   NotDistinct   Permalink

An Entity of Type : yago:Wikicat1996VideoGames, within Data Space : dbpedia.demo.openlinksw.com associated with source document(s)

Type: Thingsoftwareschema:CreativeWorkworkwikidata:Q386724SoftwareVideo gameyago:WikicatMUDGamesyago:Abstraction100002137yago:Act100030358yago:Activity100407535yago:ComputerGame100458890yago:Contest107456188yago:Diversion100426928yago:Event100029378yago:Game100430606yago:Game100456199yago:PsychologicalFeature100023100yago:YagoPermanentlyLocatedEntityvideo gameyago:SocialEvent107288639yago:Wikicat1996VideoGames New Facet based on Instances of this Class

Threshold is a space-themed fixed shooter written by Warren Schwader and Ken Williams for the Apple II and published by On-Line Systems in 1981. Inspired by Sega's Astro Blaster arcade video game, Threshold introduces many enemy ship types and wave formations as the game progresses. Ports to other systems were released on ROM cartridge: Atari 8-bit family and VIC-20 in 1981, Commodore 64 in 1983, and ColecoVision and Thomson computers in 1984. An Atari 2600 adaptation was published by Tigervision in 1982. Schwader also wrote the 1983 Apple II platform game Sammy Lightfoot.