Others might favor video slots with complex plots and bonus features, or traditional three-reel slots for their nostalgic appeal. Locating Your Ideal Slot Machine. In the end, the gbest sign up bonus slotsreatest slot machine game is one that appeals to the player's passions and provides an interesting experience that entices them to return for more. Even though online slots are mostly games of chance, players can use certain tactics to increase their chances of striking it rich. Putting more emphasis on games with higher RTP percentages is one useful strategy.