The hallways are patrolled by large, tentacled monsters named Hallmonsters, which cannot be killed, injured, or stopped in any way.

Dead monsters decay over time and their corpses may block room exits, delaying Winky and possibly allowing the Hallmonster to enter.

The monsters themselves move in specific patterns but may deviate to chase the player, and the game's AI allows them to dodge the player's shots with varying degrees of "intelligence" (for example, the snakes of "The Serpent Room" are relatively slow to dodge arrows, the trolls of "The Troll Room" are quite adept at evasion).

The different dungeons in each level are as follows: The ColecoVision version of Venture was reviewed in Video magazine in its "Arcade Alley" column where its graphics and background music were praised.

[4]: 112  It would go on to receive a Certificate of Merit in the category of "Best Arcade-to-Home Video Game Translation" at the 4th annual Arkie Awards.

[7] The highest score on the original game was set in 1982 by 15-year-old Randy Kuntz of Fairview, Alberta.