Uphill Rush 7 Waterpark by Spilgames. Customize your inner-tube and racer, then go for a spin around the water slides! Raise the roof bar as you ride through the waterpark! Pick up as much cash as you can to purchase more upgrades! Played by 432,744 people and has been rated 9.1 / 10 by 4,522 people. Uphill Rush 7 Waterpark is made with Html5 technology will run without any trouble in most browsers. More free water games Uphill Rush : Tubin, and Nitro Clash io What is a Video Game match, tournament.