KEY 1v1:

1. Player creates a game (random/friend invite).
2. Player dispenses X keys.
3.     COND. 1: If random, match with someone else who has deposited X keys.
       COND. 2: If friend invite, friend must deposit same number of keys. If no, keys returned after 10 minutes.
4. Each player has 50% chance to win. Winner gets all keys (except for games of 6 keys or more, where 15% commissions is taken).