Windows (10000 programs)

Pros: Official, standards-compliant Facturae format. Free and open-source. Backward compatible with previous versions.

Cons: Dated interface.

Pros: Simple and relaxing gameplay. No timer pressure. Zoom and hint features. Visually appealing themed image sets.

Cons: Progress tracking and stats feel inconsistent.

Pros: Cozy, stress-free gameplay. Adjustable brightness, zoom, and hints. Colored and black-and-white mode toggle. Satisfying meow sound effects.

Cons: Some cats are overly abstract and hard to recognize.