Game Design

The API changes that make Godot 3 tutorials fail in Godot 4, matched to the exact error each one produces — movement, annotations, await, tweens and the renames that come later.

Wrong scale, flipped normals and rotated models are all export settings rather than modelling mistakes. The settings that matter, why each one breaks, and a checklist before you export.

Magenta materials mean Unity cannot compile the shader — almost always a render pipeline mismatch. How to fix a whole project in one pass, and how to spot the problem before you buy.

Why most design documents are abandoned by month three, and the three sections that keep one alive: the one-page core, systems written just in time, and a dated decision log.