- Will work under Windows NT with sound.
- Free look (look up/down).
- High resoulutions.
- Translucency.
- A console.
- MOD and MIDI support.
- Better mouse support.
- Limited TCP/IP (actually UDP) networking.
- Quake-style key bindings.
- Jumping.
- Crosshairs.
- Walk over/under other things.
- Hexen-style map editing.
- Almost full BOOM support.