Dark Energy Digital decants Hydrophobia Prophecy onto PSN this week -- free for Plus members, $10 for everyone else. In other format-change news, the multiplatform side-scroller Max & The Magic Marker comes to PS3, Mortal Kombat vs. DC Universe goes downloadable, and DC Universe Online officially becomes free-to-play.

Also enjoying a change of hardware as of this week: three new PS2 classics -- Raiden III, BloodRayne, and Harvest Moon: Save the Homeland; and two more PSOne imports. Check the PlayStation Blog for a more exhaustive list of this week's PS3 and PSP downloads.

This article was originally published on Joystiq.