"What's going on? I've got a bunch of trapped guys!" is what my friend said when I sprang this pud on him. Use sappers to blow up the rock and don't play against the computer because they won't figure it out.
Specifications
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Players: 4
Mines: 8(4 have $90,000 and 4 have $140,000)
Size: 96x96
Note: Expansion set is required because I created it using BTDP heroes.