If you are looking for a standout feature to add to a ROM or custom build, the most impactful addition would be an integrated "Special" Mode expansion .
Since the game never received an official PC port, players looking for "The House of the Dead 4 ROM" typically turn to emulation to experience this horror classic at home. Ways to Play The House of the Dead 4 on PC
Because the official PS3 port is now trapped on legacy hardware (and was never backward compatible on PS4/PS5), the only reliable way to experience the game with high resolution and smooth framerates is via emulation using .