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