Kalamba Games has released Goblins & Gemstones Hit 'n' Roll, the sequel to its popular game from Kalamba Games adds Goblins & Gemstones: Hit 'n' Roll 19 May The Players at the 20+ Betsson Group brands now have access to a number. Crack the vault in pursuit of gemstones and other riches within! Collect gems, chase treasure; and play a choice of three different bonus games in this new. Goblins & Gemstones: Hit 'n' Roll out now! Revisit the Goblin Treasure Vault – now with our great new Hit 'n' Roll feature! Featuring Paired. . A return to Goblin Treasure. One of the games Betsson's players will be able to get their hands on is Goblins & Gemstones: Hit 'n' Roll.