Osmo (the physics game, not the educational tablet system) is a rare gem: a genuinely educational puzzle game that doesn't feel like homework. The physics mechanics are elegant—you shrink as you propel yourself—and the abstract cellular world is beautiful in a lava-lamp sort of way.

It's not for every kid. If your child needs constant action, narrative, or characters to latch onto, this will bore them to tears. But for the right kid—the one who likes chess, enjoys tinkering, or gets lost in strategy games—this is a quiet masterpiece. No ads, no IAP, no manipulation. Just you, physics, and a hypnotic soundtrack.

The 'game' label is a bit confusing here since Osmo is better known as an educational tablet system, but this appears to be Osmos (the indie physics game). Either way, it's a solid pick for patient, strategic thinkers.