Suspect on the Commodore 64 is Infocom’s murder-mystery interactive fiction set at a high-society charity party that turns deadly, with you cast as an ordinary guest suddenly caught in the blast radius of suspicion. You’ll question attendees, search rooms, assemble alibis, and piece together clues using Infocom’s rich parser, all while the clock ticks and the risk of being framed (or simply outpaced by events) keeps the pressure on. It’s a classic whodunit with sharp writing and a tense “clear your name by solving the case” hook that makes careful note-taking and methodical deduction feel genuinely rewarding.