Adventure II is a homebrew sequel to the classic 1980 Atari title Adventure, created by Robert DeCrescenzo for the Atari 2600 console. The game builds on the foundation laid by Warren Robinett's original work, expanding the simple block based world into a much larger fantasy quest. Players control a small square character who explores castles, forests, and dungeons while searching for hidden treasures and battling dragons. The core idea stays true to the source material, but the scope grows in nearly every direction. New rooms, fresh enemy types, and clever puzzles fill the cartridge from start to finish. What makes this release stand out is how it respects the original design while pushing the hardware further than most fans thought possible. DeCrescenzo packed an impressive amount of content into a small ROM, proving that the Atari 2600 still had untapped potential decades after its prime. Fans of retro gaming view this title as a love letter to the genre that started the action adventure category on home consoles.
Updated: Jun 22, 2026
Screenshots

0.01 MB · Atari 2600 ROMs
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Specifications
| Platform | Atari 2600 ROMs |
|---|---|
| Genre | Action |
| File Size | 0.01 MB |
| Release Year | 1980 |
| Developer | Robert DeCrescenzo |
| Updated | Jun 22, 2026 |
Overview
Adventure II is a homebrew sequel to the classic 1980 Atari title Adventure, created by Robert DeCrescenzo for the Atari 2600 console. The game builds on the foundation laid by Warren Robinett's original work, expanding the simple block based world into a much larger fantasy quest. Players control a small square character who explores castles, forests, and dungeons while searching for hidden treasures and battling dragons. The core idea stays true to the source material, but the scope grows in nearly every direction. New rooms, fresh enemy types, and clever puzzles fill the cartridge from start to finish. What makes this release stand out is how it respects the original design while pushing the hardware further than most fans thought possible. DeCrescenzo packed an impressive amount of content into a small ROM, proving that the Atari 2600 still had untapped potential decades after its prime. Fans of retro gaming view this title as a love letter to the genre that started the action adventure category on home consoles.
The gameplay offers multiple difficulty modes that change the layout of items and the behavior of enemies, giving players a reason to return after the first victory. Three dragons roam the world, each with different speed and aggression levels, and a fourth secret creature awaits those who push deeper into the map. Players pick up swords, keys, magnets, and bridges to solve room based puzzles, with each tool serving a clear purpose during exploration. The map spans dozens of screens, far more than the original three kingdoms, and includes secret areas tied to clever item combinations. Sound effects stay faithful to the chirpy bleeps of the source game, which adds to the nostalgic feel. Single player remains the only option, since the Atari 2600 hardware never supported online play. Even so, the experience holds up well against modern indie titles thanks to its tight design and steady pacing. Adventure II stands as proof that classic gameplay still entertains, and it earns a place in any Atari fan's collection.