Threshold

Platforms: Apple II, Atari 2600, Atari 8-bit, ColecoVision, Commodore 64, Commodore VIC-20, Thomson MO, Thomson TO
Apple II
Technical Info
Minimum System Supported: Apple II
Minimum RAM Required: 48 KB
Minimum OS version: Apple DOS 3.2
Display Hardware Supported: Hi-Res
Media: 5.25" Disk
Input Devices: Keyboard , Paddles
Gameplay Info
Business Model: Commercial
Number of Players Supported: 1 Player
Atari 2600
Technical Info
Media: Cartridge
Input Devices: Joystick
Gameplay Info
Business Model: Commercial
Number of Players Supported: 1-2 Players
Multiplayer Gameplay: Alternating
Atari 8-bit
Technical Info
Minimum RAM Required: 40 KB
Media: 5.25" Disk
Input Devices: Joystick
Gameplay Info
Business Model: Commercial
Number of Players Supported: 1 Player
ColecoVision
Technical Info
Input Devices: Standard ColecoVision Joystick
Gameplay Info
Business Model: Commercial
Number of Players Supported: 1-2 Players
Multiplayer Gameplay: Alternating
Commodore 64
Technical Info
Media: 5.25" Disk , Cartridge
Input Devices: Joystick
Gameplay Info
Business Model: Commercial
Number of Players Supported: 1 Player
Commodore VIC-20
Technical Info
VIC-20 Memory Expansion Required: Unexpanded
Media: Cartridge
Input Devices: Joystick
Gameplay Info
Business Model: Commercial
Number of Players Supported: 1 Player