yuanshan-devtools

50 untimed routing puzzles. Cargo moves first; switches change afterwards. English + 简体中文.
Puzzle
Offline scene-card editor: 3 themes, countdown and HTML/config export. Full v0.1 from $5; free limited demo.
Offline Python translation-file and Godot literal-path checks. Free evaluation; two-tool commercial license from $15.
Retain observed UI input and state after a temporary Control disappears. Original AI-assisted prototype.