[Zekio]

quite the fun game EDIT: can't figure the last one out, but was fun :D

[th0br0]

1. Move Thread 0 to end.

2. do a few iterations through thread 1 (e.g. n=5)

3. step darkness++ concurrently (via expand), so that darkness=1

4. step thread 0 to Monitor.Wait(sanctum)

5. the rest is straightforward.

[JustSomeNobody]

Whoa! Spoiler alert!

;)