Human: Fall Flat is a physics-based puzzle platformer video game where players control customizable human characters called "Bobs." The objective is to navigate through various open-ended levels filled with obstacles and challenges, using creative problem-solving and physics mechanics to progress. Players can explore the environment, manipulate objects, and solve puzzles either solo or in multiplayer mode. The game encourages experimentation and collaboration, allowing players to find unique solutions to challenges while enjoying the quirky, wobbly movement of their characters.