| play | |
| Mouse | ship (virtual stick) |
| W / A / S / D | fire orthogonal |
| Q / E / Z / C | fire diagonal |
| Space (hold) | drop viper mine |
| 1 / 2 / 3 | primary: slow / fast / sparkle |
| Esc | release pointer lock (pause) |
| levels | |
| R | reset current level |
| [ / ] | previous / next level |
| J | jump to boss fight |
| debug views | |
| H | toggle this help |
| V | sprite-table grid |
| B | enemy catalog |
| N / M | catalog next / prev |
| P | screenshot to PNG |