High 5 Games Facebook Casino - Play Over Authentic Casino Slot Machine Games. High 5 Games Slots Are Free With No Downloads. Play Now!. The latest Tweets from High 5 Casino (@High5Casino). High 5 Casino is the premier place to play over hit authentic Vegas slots for FREE. Play now on. High 5 Games (H5G) is the premier game creator of the casino industry. Developing for the land-based, online, and social markets, H5G has created hundreds.