Game Type. Try European Roulette (Cogg Studio) online for free in demo mode with no download or no registration required. The game's theoretical return to player (RTP) is %. To start playing, load the game, place any bets on the roulette table, and spin the wheel. May 26, · Table Games. Return to player. European Roulette (Cogg Studio) by Cogg Studios. European Roulette (BGaming) is a roulette game by BGaming. This version is developed by Cogg Studio. European Roulette (Begames) Slot - Review, Free Demo, Casinos, Bonuses European Roulette (Cogg Studio) Cogg Studios. . The range of bets is quite diverse, you can. American Roulette (Urgent Slots & Games ️ Claim Your Bonus and Win REAL. Stay updated on the. The range of bets is quite diverse, you can. The game's theoretical return to player (RTP) is %. This version is developed by Cogg Studio. %.