- Six difficulty levels ranging from "Very Easy" for casual players to "Inferno" for true old-school gaming masters.
- Unlockable "Time Attack" and "Boss Rush" modes for anyone looking to show off his/her boss-taming abilities.
- Over 30 unique Steam Achievements as well as Steam Cloud support.
- Adjustable high-resolution PC graphics with original blood effects intact.
- Gamepad support in addition to standard keyboard and mouse controls.