3D Halloween Adventure: Trick or Treat through a 3D Halloween world solving puzzles using 3dml by Flatland.
Ben and Jerry Virtual Pumpkin Patch: Lets visitors carve a Jack-o-lantern without the mess. Requires Shockwave.
Boo!: Collection of kid-safe games from Bonus.com.
Carve-a-Pumpkin at PrimaryGames.com: Create your own Jack-O'-Lanterns with this java game.
Free Halloween Games: Offers holiday jigsaw puzzles, concentration, mah jong, and sokoban, plus a slider puzzle.
Kid's Domain Halloween Games: Large assortment of games and links to games suitable for children. Some require Java or Shockwave.
Monster Match: Open the doors to two crypts at a time to match the monsters hidden in them.
Thundercats Tomb of Mumm-Ra: Visitors help save the Thundercats from Mumm-ra, while avoiding memories hidden in the cavernous tomb. Requires Shockwave.
Trick Tac Toe: Logic puzzle--Compete against the computer to get three bones in a row.