Garry's Mod
Garry's Mod is a physics sandbox. There aren't any predefined aims or goals. We give you the tool...
During a trip to the beach, Arthur enters a sand castle building contest. Help him and The Brain build the greatest sand castle ever and win first prize! Watch out, though--it's not as simple as it seems...
Follow a diagram or design your own!
Help Arthur cross the hot sand!
Collect parts for The Brain's special castle-building machine.
Four different activities.
Three levels of difficulty.
Step-by-step guides help kids build castles.
Print out a newspaper story about your own unique sand castle.
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Arthur's Sand Castle Contest costs $9.99.
Minimum: Minimum: OS: WIndows 10 / 11
Arthur's Sand Castle Contest is available on Windows PC.
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Arthur's Sand Castle Contest was released on Aug 24, 2025.
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