Games are fun :3
So, I'll start playing one:

1d100 every week

100 - 100: Game Over - Unlock
099 - 091: Subtract One Week
090 - 057: Nothing Changes
056 - 023: Add One Week (max until 2026-09-30)
022 - 003: Add Two Weeks (max until 2026-09-30)
001 - 002: Game Over - Stay Locked (until 2026-09-30)