Half-Life and Its Expansions specs

Dreamcast
1-4 Players Online Multi-Player VMU compatible ?? blocks 4x Memory Card compatible Jump Pack compatible Microphone Standard Controller Keyboard Mouse Modem Broadband Adapter Modular Cable VGA Box

PlayStation 2 (update)
1-2 Players Memory Card (for PS2) - ??? KB Analog Control Vibration Function Pressure Sensitive Multitap (for PS2) - 1-4 Players Progressive Scan Logitech/PS2 USB Headset USB Keyboard/Mouse Online: Ethernet Broadband required Network Adapter (PS2) - 2-16 Players

Xbox
❎ Players 1-4 ❎ System Link 2-16 ❎ Online Multiplayer ❎ Memory Unit ❎ HDTV 720p ❎ Scoreboards ⬛️ Custom Soundtracks ❎ Communicator Headset ❎ Friends ❎ In-game Dolby® Digital ❎ Content Download ❎ Voice

Nintendo GameCube
1-4 Simultaneous Memory Card Uses ?? Blocks Broadband Progressive Scan Compatible