Interphase

Interphase Technologies Inc. was reportedly a one-man operation, with all of the games being designed and programmed by Stephen Willey from his home near Vancouver, Canada.

In 1983, Interphase released two games for IntellivisionBlockade Runner and Sewer Sam. These games were also released for ColecoVision, along with Aqua Attack and Squish 'Em Featuring Sam. (The ColecoVision versions of Aqua Attack and Blockade Runner are available on ColecoVision Hits for Windows).