How to spot the impostor
As a crew member you score +1 for voting the impostor, and the impostor is only caught if at least half of the other players agree. Catching them means the whole table has to read the evidence well. Here's how to read it.
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Draw something that proves you know the word
The crew's best weapon is a drawing only someone with the real prompt would make. If your prompt is "umbrella", the handle hook is your proof, because the impostor holding "mushroom" has no reason to draw it. Put the one telling detail in early and clearly. It helps the rest of the crew trust you and leaves the impostor nowhere to hide.
Tip: You don't need to draw well. You need to draw the one detail that matters.
Watch the replays, not just the result
The spotlight replays each drawing stroke by stroke, and the order is often more revealing than the final picture. Honest players tend to start with the defining feature. An impostor often starts vague, a circle or a blob, and adds details late, sometimes only after deciding what the crew probably had. Hesitation and late, tacked-on details are both worth noticing.
You can tap a drawing during its replay to mark a suspect. Use that. It's easy to forget your first impression once all the drawings are side by side.
Look for what's missing
A clever impostor draws the shape that both prompts share. So instead of looking for the drawing that's wrong, look for the one that's missing the thing everybody else included. Five umbrellas with handles and one without is a stronger signal than a strange-looking umbrella.
Compare side by side in the final vote
In the final vote all drawings sit next to each other. Check proportions, colours and context: did one player draw it outdoors when nobody else did, or make it much smaller? Then lock in. You can change the suspect you tapped during the spotlight right up to the moment you confirm.
Talk, but don't stampede
The impostor is caught only if at least half of the others vote for them and nobody gets more votes. Splitting the crew's votes across two suspects is how impostors survive. If you're confident, say which drawing and why, briefly and with a specific detail. If you're not, listen before you commit.
Remember that Nobody is an option
About one round in eight has no impostor at all. If every drawing shows the same telling details and nobody's replay looked hesitant, vote Nobody. It's worth +1 in a no-impostor round, and accusing an innocent player there earns you nothing.