Drive: Multiplier Mayhem is a 5-reel, line online slot game with bonus 1xBet. Betsson Spain. Royal Casino. Betsson Spain. Drive: Multiplier Mayhem is a 5-reel, line online slot game with bonus 1xBet. Casino Spain. WestCasino. betboo Brazil. betboo Brazil. NetEnt's Chief Product Officer, Simon Hammon, explained: “With bustling bet lines, NetEnt's Drive: Multiplier Mayhem is a thrilling video slot. Royal Casino. . NetEnt's Chief Product Officer, Simon Hammon, explained: “With bustling bet lines, NetEnt's Drive: Multiplier Mayhem is a thrilling video slot. WestCasino. Casino Spain.