Flashback (USA) (Unlock Key) is an action-adventure game developed by Delphine Software International and released for the PlayStation 3 console in 1995. The game follows the story of Conrad B. Hart, a scientist from the future who has been sent back in time to save the world from an alien invasion. Players take control of Conrad as he travels through time, solving puzzles and defeating enemies in order to progress. The game features a unique two-dimensional side-scrolling style of gameplay, with a mix of action, platforming, and puzzle-solving.

Flashback (USA) (Unlock Key) has been praised for its engaging story, challenging puzzles, and unique visuals. The game has been released in multiple formats, including a downloadable version for the PlayStation 3, which is available for purchase on the PlayStation Store. This version includes the original game plus an unlock key which unlocks additional levels.

Players can download Flashback (USA) (Unlock Key) from Romsbase. The game is available in both ISO and ROM formats, allowing players to choose the format that suits their needs. The game can be played using a PlayStation 3 controller, or a compatible USB controller. The game also supports most PlayStation 3 games, allowing players to play their own games while playing Flashback (USA) (Unlock Key).

Flashback (USA) (Unlock Key) is an enjoyable and challenging game, with a unique and engaging story. The game features a variety of puzzles, enemies, and levels, as well as an unlockable bonus level. Players can experience the game in a variety of ways, either by playing the downloadable version or by downloading the ROM and playing it on a compatible device. The game is a great way to spend time with friends, family, or alone, and offers hours of entertainment.