A day before Pragmatic Play released a new slot titled Rocket Blast Megaways™, the provider entered into a partnership with Betsul to expand. A day before Pragmatic Play released a new slot titled Rocket Blast Megaways™, the provider entered into a partnership with Betsul to expand. . The agreement with Betsul will enable Pragmatic Play to offer the full range of its slot portfolio (over games) to the Brazilian audience. The Knight King is a 5-reel, line online slot game with bonus spins, instant play, autoplay, video slots, wild symbol, scatter symbol, mobile gaming.