Games Companies Challenge Inc. Release Dates Popular games Anticipated Lists PC check My games Genres Companies Platforms Games by Challenge Inc. Company role Any roleDeveloper Years All years Platforms All platformsMacAmiga More platforms Fewer platforms Commodore 64DOSApple II Statuses All statusesGame released Best games of the company Challenge Inc. for {year} year[/year] by release date by popularity Classic Text Adventure Masterpieces Adventure, Horror, Collection, Futurism (Future), Puzzle, Fantasy / Medieval 1996 Classic Text Adventure Masterpieces is a horror, puzzle and fantasy adventure game from Challenge Inc., Infocom and Inc.. The game's main publisher... Sherlock: The Riddle of the Crown Jewels Adventure 1988 Sherlock: The Riddle of the Crown Jewels is an adventure from the studio Challenge Inc.. The main publisher of the game is Infocom, Inc.. It is...