Previously, the game was scheduled to debut on the digital storefront sometime this spring. House of the Dead 4 for the PSN will boast high-definition graphics, trophies, and PlayStation Move compatibility. It will bear a $10 price tag.
An early demo for the game will be made available exclusively to PlayStation Plus subscribers beginning April 10. Additionally, PlayStation Plus members who choose to purchase House of the Dead 4 will score a 30 percent discount on the game, as well as an exclusive PlayStation 3 dynamic theme and avatars.
House of the Dead 4's arrival on PSN follows House of the Dead 3, which made its debut on Sony's virtual storefront February 14.