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