Twobit Odyssey is a 3D platform puzzler that has you guiding a spherical robot through a variety of fun and challenging puzzles.
This might not be the racer your looking for, but it's a pretty decent 'runner' type game if your looking for a challenege.
The futuristic story may be a bit shallow, but the frenetic dual wielding action, including swords, is absolute joy!
VR Invaders is a gorgeous game with some of the best FPS gameplay available for the PSVR. The short campaign and limited replayabilty hold this back from greatness.