108 Heroes is not a very popular slot with many players. But that does not mean it is a bad slot; give it a shot or search popular online gambling games. Overall, 108 Heroes is among Microgaming’s older slots, and the graphics and animations are starting to reveal their age. We don’t believe it’s a big deal due to the fact that the graphics are wacky and add to the game’s charm. RTP 96.4% rate of return and mobile phone friendliness make it worth having a look at.