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[ARTICLE · art-54965] src=runtimewire.com ↗ pub= topic=developer-tools verified=true sentiment=· neutral

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.

read1 min views1 publishedJul 10, 2026
Grok Build hides a Doom-like 'easter egg' game behind the /gboom command
Image: Runtimewire (auto-discovered)

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 · 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, 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 <name>

, and configuring the terminal UI through /settings

. xAI's own launch post also points users to /feedback

for product comments, while focusing the product pitch on planning, code edits, clean diffs, plugins, hooks, skills, MCP servers, headless mode, and parallel subagents.

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