It's consistently. . Betway (ThunderStruck) – Instant Win games and slot exclusives; Magic Mega Joker at All British Casino – Mega Joker carries a 99% RTP. Betway Ghana 50% on first deposit in free bets. Stoned Joker. Betway Ghana Extends Its Video slots – It's a Joker, Mystic Mirror, Ways of Fortune, Stoned. Despite its relatively bizarre theme, Stoned Joker, from Fugaso, is one of the best [HOST] slots there is.