Retro Racing is one of those games that are as precisely labeled and aptly named as is humanly possible; it's a racing game that wouldn't feel out of place on an (admittedly powerful) Amiga. Interestingly, it also is one of the few arcade-y games I've played to exhaustion on the iPad and, easily, among the best mobile multiplayer things ever. Also, it has just been ported to PC and Mac and can finally be properly enjoyed via all sorts of controllers and keyboards.

There's also a brand new PC/Mac demo available here.