COMPLETED LEVELS
| ODD Number of Signals |
| Double Trouble |
| Counting Signals |
| Byte OR |
| Byte NOT |
| Half Adder |
| Circular Dependency |
| Delayed Lines |
| Odd Ticks |
| Bit Inverter |
| Bit Switch |
| Adding Bytes |
| Input Selector |
| Saving Gracefully |
| The bus |
| Saving Bytes |
| 1 Bit Decoder |
| Negative Numbers |
| Signed Negator |
| 3 Bit Decoder |
| Little Box |
| Logic Engine |
| Arithmetic Engine |
