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The Tunnel Challenge
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Compressed Air Drill Beneath City
Sand blew into your compressed air drill, and now it won't work!

Compressed-air drill _+_ Soft sand __ Wrong
Learn more       Tunnel Score: 0

The compressed air drill was invented to rip through rocks and other hard things. After you fix this drill, try using it to build a mountain tunnel. You'll have much better luck there!


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