Quick answer
Shift sprints, Q screams, T speaks, Z unlocks the mouse, and G opens emotes.
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For Bahkruums controls, use the quick answer first, then check whether the topic affects a code-status note, update check, held item, held map, or held entity page.
The official Roblox description lists five bindings: Sprint—Shift, Scream—Q, Speak—T, Unlock Mouse—Z, and Emote—G. It also warns that console and mobile support is incomplete, so this page does not invent touch or controller bindings.
Copy-friendly keyboard table for Sprint Shift, Scream Q, Speak T, Unlock Mouse Z, and Emote G, followed by the official incomplete mobile/console support note.