Playtech has not announced the advantages of its games, but several established Playtech casinos have begun to release this information. On the CasinoMeister forum, Boyle Casino Manager confirmed that Playtech slot games could not be configured on the carrier side. So if you play a coin or two, you can identify Crazy 7 5.67% of the house edge, if you play three coins you can determine 2.79% and should be valid at all Playtech casinos.
Seven-a-side system, seven-a-side system! Crazy 7 has 3 reels, a payline, and you can bet up to 3 coins on the payline. There is no wild symbol when playing Crazy 7. There is no bonus feature when playing Crazy 7.