Monster Physics is one of those rare educational apps that actually delivers—kids learn real physics while drawing creative solutions to puzzles. The free, ad-free, offline model is refreshing in 2025's predatory app landscape.

That said, there's confusion here. The synopsis describes a simple eye-drop puzzle game, but the web reviews reference the original Monster Physics sandbox builder from 2012. This 2018 Android version might be a stripped-down port or a different game entirely with similar branding. The gameplay described (draw lines to guide an eye) is much simpler than the original's robust build-and-test sandbox.

If it's the real Monster Physics, it's a solid pick. If it's a knockoff, it's still decent for what it is—a free physics puzzler that teaches cause-and-effect. Either way, the core learning is there, even if the interface feels dated by modern standards.