Journey being the can't-miss experience from thatgamecompany. Our Jordan Mallory was smitten by Journey, calling it a "beautiful, evocative and unequivocally transcendental experience." He may have used such words to describe a burrito he once had, but, in fairness, it was a really fabulous burrito.
If you're looking for a co-op, run-'n'-gun shooter, it's worth trading a Hamilton for Shoot Many Robots. For something a little more cerebral, stealth action puzzler Warp is also available. Head on over the PS Blog for all the details on this week's PSN update.