|Publishers||Tigervision, On-Line Systems, France Image Logiciel|
Threshold is a space-themed fixed shooter written by Warren Schwader and Ken Williams for the Apple II and published by On-Line Systems in 1981.
We might have the game available for more than one platform. Threshold is currently available on these platforms:
Apple II (1981)
Atari 8-bit (1981)
Atari 2600 (1982)
Commodore 64 (1983)
Additional files, patches and fixes