Slot Car Challenge is a free unblocked racing game that you can play for free at Yoob Games on any device. This is one of our many featured games with a rating of 8/10 (from 1 votes). Slot Car Challenge is one of many racing games that you can play. If you want to play more games like this, then check out Gear Madness or Grand Racer. To play even more unblocked games view our best Yoob games page.