Whac-A-Spider Halloween Challenge: a snarling blue cartoon spider climbs out of a hole in a wooden whack-a-mole board, with a fly swatter, jack-o'-lanterns, a haunted house and a full moon behind it, under the Oh, My Dots! logo.

Whac-A-Spider: Take the Oh, my Dots! Halloween Challenge

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Spiders are crawling out of the holes and it’s your job to whack them before they escape. Whac-A-Spider is our new Halloween Challenge: free, no sign-up, with weekly and all-time leaderboards against players from around the world.