There aren't many racing cars that let you drive a Panda with wheels for feet, but then there aren’t many physics based kart racers featuring RC cars at all (lies). Zac and Rob revisit a good one, courtesy of the RVGL mod.

Re-Volt
Since its release in 1999, Re-Volt steadily shows its strength with fast & addictive gameplay. Including numerous tracks, unique cars, special weapons and even a track editor, the official release package features everything an RC Car racing fan could wish for.
Revolt was fairly extendable on the PC. Zac and Rob revisit some of the community levels they found.