Do you remember?
A realistic psychological experience where you undergo psychic tests while living a repetitive routine in a kind of psychiatric clinic.

Positive · 5 reviews
100% positive (5 / 5)






A single-player casual game. You play as Sandbox characters, parkour and idle.
Released
April 25, 2025
Price
Platforms
Windows
Developer
Publisher
Last sync
September 25, 2026
Unserious Sandbox is a single-player casual game with some unserious parkour.

Traversal is a skill-based movement game, like CS's KZ, Surf, or Minecraft parkour. The core mechanics of traversal is about using as little movement input as possible.
Play with ragdoll physics in sandbox maps. Embrace the chaos and master the art of falling flat...
One day, a Sandbox learned two words: Unseriverse, Susbicious. Then, the Sandbox became unserious and began parkour.