Fix to weekly challenge
The weekly challenge was broken (and there were a couple other broken ones). This should be fixed. I also upgraded the game to run on a much newer version of Unity so please let me know if any platforms have issues

Plotted values · UTC. Longer ranges may use aggregated observations; gaps are not zeroes.
| Time | Players |
|---|---|
| 2 | |
| 1 | |
| 2 | |
| 2 | |
| 1 | |
| 2 | |
| 2 | |
| 2 | |
| 2 | |
| 3 | |
| 2 | |
| 1 | |
| 1 | |
| 3 | |
| 1 | |
| 1 | |
| 1 | |
| 0 | |
| 1 | |
| 0 | |
| 2 | |
| 1 | |
| 1 | |
| 4 | |
| 1 | |
| 3 | |
| 6 | |
| 4 |