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Bulbo’s Belief System – when beliefs change the game world

In the hand-drawn puzzle platformer Bulbo’s Belief System, thoughts are more than background story: what the main character Bulbo believes to be true determines which rules apply in the game world. Other characters can teach Bulbo new things. This is how he learns, for example, movement and how to deal with obstacles, but some knowledge stands in the way of solving a puzzle. To move on, you need to deliberately switch between learning and forgetting.

Walls disappear, gravity becomes negotiable

A wall blocks your path? If Bulbo forgets that the wall exists, it can disappear. A chasm separates you from your goal? Changing the right gravity setting alters how you move through the environment. The challenge lies in combining different beliefs, resolving contradictions and thinking ahead about the consequences of your decisions. The unusual concept combines classic jumping sections with logic puzzles and deliberately playful humor.

Sketch style and demo

The colorful, hand-drawn world consists of quirky characters, floating platforms and familiar elements whose meaning can change through Bulbo’s thoughts. A free Steam demo already gives a look at the gameplay mechanics. It is a test version and not a separately sold add-on.

PC release and technical requirements

Abstract Digital developed and published the PC version. The current Steam store lists 2027 as the release year, but no binding calendar date. Windows is confirmed as a native platform. The store page lists English, and Spanish for Spain and Latin America, for the interface and subtitles; a German language version is currently not confirmed. For Windows, the minimum listed is Windows 10, an i5 processor, 1 GB RAM, an ATI Radeon X1300, GeForce 6600 GT or Intel HD 3000 or better graphics, and 2 GB storage.