- 3 wide, 8 high
- hard enemies move every 2 beats
- easy enemies move on downbeat
- walls (can pass through by being the right shape)
- consistent shape through whole height of grid
- can be composed of different shapes
- 50/50 chance of same or different shapes
- dice roll for selecting shapes on different shape walls
- completely random? lol
- just a dice roll for each grid spot to make the grid
| Rows since last enemy | Probability of enemy |
|---|---|
| 0-1 | 0% |
| 2 | 5% |
| 3 | 10% |
| 4 | 25% |
| 5 | 50% |
| 6 | 75% |
| 7+ | 100% |