Board Thread:News and Announcements in game/@comment-27996636-20181211090008/@comment-37498053-20181211161633

Matt2905 wrote: you use key for unlock a level, so instead of stamina, you use key. If so, I can see the result. Spend 20 keys to obtain 20 xD

Don't do it just to test, we will see it sooner or later.