The Great Perhaps is a full version adventure game developed by Caligari Games, available on Windows platform. This game tells the story of an astronaut who returns to Earth after a natural disaster has destroyed it. In his journey, he finds an old lantern that allows him to travel through time and see the past. The game offers a unique experience of time traveling between the post-apocalyptic present and the vibrant past.

The game features challenging puzzles and mini-games based on time travel, which add to the gripping atmosphere of a post-apocalyptic world based on Soviet aesthetics. The storytelling is innovative and binds together the past and present, with memorable characters having personal stories. The original interactive soundtrack adapts to each timeline, enhancing the wistful hand-drawn 2D art style of the game.

Overall, The Great Perhaps is a must-play game for those who love adventure and time-travel games. The game offers an immersive experience with its unique storytelling, challenging puzzles, and engaging characters.