The Great Perhaps is an adventure game developed by Caligari Games and launched for Play Station 4. The game is set in a post-apocalyptic world where natural cataclysms have destroyed the earth. The protagonist is an astronaut who returns to Earth and discovers an unusual artifact, an old lantern, which allows him to travel to the past. The game's main feature is the constant time traveling between the empty, melancholic scenery of the post-apocalyptic Earth and its vivid days gone by.

The game features challenging puzzles and mini-games based on time travel. The atmosphere of the game is gripping and is based on Soviet aesthetics. The storytelling is innovative and binds together the past and the present, with memorable characters and their personal stories. The game's original interactive soundtrack adapts to each timeline, and the wistful hand-drawn 2D art style adds to the game's charm.