Project 78 is a story-based 2-D platformer where the player explores themes of discovery, grief, and self-acceptance. The game’s genre is sci-fi, it contains themes of personal growth and self-determination, and the setting is a newly defunct laboratory. The story follows the player character on a journey out of the laboratory in which she was raised, where she finds out more about her past and her identity along the way. The main feature of the game is the story-telling with a soft focus on simple combat.