a living universe
| Click the light | ignite the Big Bang |
| 1 · Attract / 2 · Repel | hold the mouse to bend gravity around the cursor |
| 3 · Gravity well | click to plant a permanent attractor; drag to move; right-click to remove |
| 4 · Black hole | click to place; it feeds on what it catches and grows; drag two together to merge |
| 5 · Select | click a star to inspect it; F follows it |
| 6 · Pan / right-drag / shift-drag | move the view · wheel zooms · 0 lets the camera follow the whole universe again |
| Space · [ · ] | pause · slower · faster |
| S | fly into the densest cloud and watch it become the Sun, with Mercury to Neptune growing out of the dust (happens by itself in time) |
| T | long trails |
| C | clear wells and black holes |
| R | Big Crunch (or, from a solar system, straight to a new universe) |
| U | hide the interface |
| M · H | sound · this panel |
Ten thousand bodies under Barnes–Hut gravity, painted with light trails, bloom and gravitational lensing, scored by a synthesizer built from oscillators and noise. Everything here is computed while you watch; nothing is loaded from anywhere.