You can safely know that, on average, most of the bet will be returned to you. Of course, it is very likely that you will get some major wins in the process.
In this game only 5 standard symbols appear, the value of the green cross is worth 60 coins, when it appears on all 3 reels, win any of 27 ways by any of the golden scarab beetles The same is the golden pyramid, a single BAR, and finally, the top victory in the base game comes from the double BAR icon, worth 200 coins.