Grok Build hides a Doom-like 'easter egg' game behind the /gboom command XAI's Grok Build terminal coding agent contains an undocumented Doom-like mini-game accessible via the /gboom command, confirmed by RuntimeWire testing on July 10th. The Easter egg is absent from public documentation, signaling xAI's strategy to make its CLI a sticky product surface for developers. Exclusive: Grok Build hides a Doom-like 'easter egg' game behind the /gboom command RuntimeWire testing found an undocumented mini-game inside xAI's terminal coding agent, a small tell about how xAI wants developers to live in its CLI. By Ryan Merket /author/ryan-merket ยท Published Why it matters Grok Build is xAI's bid for developer workflow ownership, not just model usage. An undocumented /gboom game is small, but it shows xAI treating the CLI as a sticky product surface where culture, habit, and tooling converge. Grok Build https://docs.x.ai/build/overview , xAI's terminal coding agent, contains an undocumented Doom-like mini-game that opens when a user types /gboom inside the interactive CLI, RuntimeWire confirmed in testing on July 10th. The command is a pure Easter egg. It is absent from the public Grok Build overview and settings pages reviewed by RuntimeWire, which document the CLI's core developer workflow: starting an interactive session with grok , running headlessly with grok -p , switching models with /model