. Grab Your 50 Free Spins on Book of Dead Upon Sign Up + €/$1, & Free Spins! Bonus at betti the yetti slot · Play Now. betti the yetti slot. Dangerous Beauty RTP % Paylines 40 Reels 5 Secrets of the Forest RTP Paylines 99 Reels 5 Betti the Yetti RTP % Paylines 30 Reels 5 Thundering. In Betti the Yetti by High 5 Games, you have the opportunity to find the yeti yourself (or maybe with the help of a ranger). faturamento. Betti the Yetti has five reels and.