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Shipped QRJam — make an animated QR code that still scans. One file. Surprisingly hard to keep it scannable.

A fully playable particle-physics sandbox in a single 11KB HTML file. No deps, no build step, runs offline. Right-click to spawn gravity wells.

Shatter Halo. One perfect untouched circle, 64 stained-glass shards exploding off the rim. The trick is the burst distribution: distance = rim + pow(random, 1.6) · 200 — most shards cling close, a few fly far, and opacity fades with distance so it reads as depth. Single SVG, no libraries, seeded PRNG.