I was surprised when I saw this so thought I'd mention it in case anyone was interested and missed it. OnRush is currently on sale for $1.99 USD / $2.69 CAD on PSN.

Back when it came out I was in that camp of thinking it looked like a neat idea, but not something I was willing to pay full price for. Seemed liked it came and went and was mostly forgotten about unfortunately. I haven't had PS+ active for a while now so didn't get it when it showed up on there. I don't know what the multiplayer scene is like these days (if there even is one), but apparently it has a pretty decent single player campaign and for less than $2 there isn't really much to lose if you want to give it a shot. I've played a bit and it seems fun.

Ooh, nice! Thanks for the heads up, I'll definitely jump on that.

Aren't the servers shut? It does have single player content, mind.