Winning Big Tips and Strategies Although online slots are mostly games of chance, players can improve their gaming experience and possibly raise their chances of winning big by using happy slotsa few tips and strategies. Selecting games with higher RTP percentages is a useful strategy. Generally speaking, slots with an RTP of 96 percent or more are advantageous since they consistently give players a larger percentage of their bets back. Players should also spend time trying out different games to see which ones suit their own tastes and playing methods.