World Development
ModelsMasksSeedsLevel Generator

Chunks are cube-shaped areas that can comprise of a floor, walls or a ceiling. Multiple chunks are put together to form any floor of the Super Schoolhouse.

Chunks are also affected by lighting, and are able to hold light sources, such as ceiling tile lights or lamps.

One of the reasons there are chunks is because of the custom A* Pathfinding system as it uses G-Costs (The distance between the chunk and the starting point), H-Costs (The distance between the chunk and the ending point), and F-Costs (a combination of the G-Cost and H-Cost).

Baldi will move one and a half chunks towards the Player every time he slaps his ruler in his hand.



Approximate size of a single chunk.

Every floor in Super Schoolhouse is aligned to a 3D grid (excluding a few models and sprites). All locations are made of chunks. Regular hallways are always one chunk thick and rooms are several chunks long and wide. Every location in Super Schoolhouse is only one chunk high, but not including the Playground and the Cafeteria in the original Schoolhouse.

Non Chunk-Aligned Objects


  • Ever since the first version of Baldi's Basics Classic was released, the world was comprised of chunks but didn't utilize this fact for rendering until V1.4 with the introduction of chunk based occlusion culling.
  • In the mobile version of Baldi's Basics Classic, a glitch allowed the Player to clip through a wall into the cafeteria using a chunk glitch. This glitch has not been replicated in any video yet.
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