COMPLETED LEVELS
| NAND Gate |
| NOT Gate |
| NOR Gate |
| OR Gate |
| Always On |
| Second Tick |
| XOR Gate |
| Bigger OR Gate |
| Bigger AND Gate |
| XNOR Gate |
| ODD Number of Signals |
| Double Trouble |
| Binary Racer |
| Counting Signals |
| Double the Number |
| Half Adder |
| Circular Dependency |
| Delayed Lines |
| Counter |
| Arithmetic Engine |
