Sun & Slate · Binary Garden
Source: https://github.com/chrisboyle/sgtpuzzles/blob/d1e10eb57dd80af4999e698a9ab31f546e9a0b9d/app/src/main/jni/unruly.c
Repository: https://github.com/chrisboyle/sgtpuzzles
MIT source license. No store graphics used.
Original native Unruly generator and solver generated twelve unique-mode puzzles. Browser port of validation rules and a new static interface.