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