The Jarring Experience
Push the jar out of the tunnel without breaking it. Move falling blocks with left and right arrow. Down arrow increases acceleration. Up rotates the block. When the block collides with something it will transfer it's energy to the colliders with 10% energy loss. You have to gather enough energy to push the jar down, but no single jar block can sustain much energy before it breaks. Try to spread the energy as much as possible.
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['DanteX']