Many bonuses and promotions are available at casinos that are especially for those who play slots. These rewards may help you reduce risk and increase your chances of winning. **novomatic slotsTypes of Incentives**. Free play credits are a typical bonus kind that is offered to new players as a part of a welcome package or as a way to thank loyal players. **Match Bonuses**. Bonus money, which can be exchanged for cash back, free play credits, or other benefits like free meals or hotel stays, is what casinos match a portion of your deposit with.