No revenue estimate for PSN — its rating/review counts don't calibrate to sales the way Steam's do. The Steam version is estimated at $145.7K — a different platform, not this one.

Riptide GP2

Race through futuristic cityscapes, twisting canals and rivers, open harbors and mysterious research facilities. Hurl yourself off sky­high jumps and bust out death defying stunts. Build a collection of powerful watercraft and customize their performance and paint schemes to suit your individual style. Trade elbows with friends in up to 4 player split­screen matches right in your home! Compete in over 60 challenging Race, Hot Lap, Elimination, and Freestyle events. Collect 10 powerful hydro jets and upgrade their performance and colors to gain an edge on your competition. Level up your character to unlock and master 25 outrageous stunts. Wow the crowd, charge your boost and make your competition eat wake. Trade elbows with your friends in 2 player through 4 player split screen races. Race against virtual recordings of your Friends' best performances in 'VR Challenge' mode. Rock­solid 60fps in crystal clear 1080p. Even split screen performance is butter­smooth!