Opt-in to our new player welcome bonus & other regular promotions. . Guts offers the best slots, poker and live games for mobile and computer. Opt-in to our new player welcome bonus & other regular promotions. Guts offers the best slots, poker and live games for mobile and computer. The hugely popular Gonzo's Quest slot remains one of the most sought-after online casino games more than a decade after being released. Opt-in to our new player welcome bonus & other regular promotions. Guts offers the best slots, poker and live games for mobile and computer.