Terminal Zero

Terminal Zero

Terminal Zero is a Cold War narrative hacking game set inside a 1980s military mainframe.

You are inside SIGMA, an experimental nuclear defense AI. Read classified files, issue terminal commands, solve system-level mini-games, and decide whether trust can survive escalation.

Features

• 13 narrative chapters
• Multiple endings
• Terminal command interface
• Cold War thriller atmosphere
• System puzzles and mini-games
• No installation required: plays in the browser

Controls

• Keyboard: type commands and press Enter
• Enter / Space: advance prompts or skip typewriter text
• Page Up / Page Down: scroll terminal history when available

About

Built by Cathode Arc with HTML5 Canvas, vanilla JavaScript, and Web Audio.

If you enjoy terminal interfaces, interactive fiction, Cold War fiction, hacking sims, or branching narrative games, this is the first public release candidate for the Cathode Arc slate.