About
Monster Briefcase is a single player survival survival game. It was developed by Games Lusofona and was released on December 29, 2025.
You found an old briefcase. Dusty, worn, forgotten, then it moved. The briefcase has come alive, and it’s hungry. Not for food, but for clothes. The more it eats, the more it grows, and the harder it becomes to control. This experience blends physical interaction, sound, and atmospheric lighting to bring the creature to life, a creepy, absurd monster that shouldn’t exist, yet somehow feels a…
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Frequently Asked Questions
Monster Briefcase is a survival survival game.
Monster Briefcase is available on Windows.
Monster Briefcase was released on December 29, 2025.
Monster Briefcase was developed by Games Lusofona.
Monster Briefcase is a single player game.
Similar games include The Hungry Fly, Gridworld, Lumini, Pih, The Void and others.