Very Awesome! Gameplay is very fun! Although, I think there should be a way to slow down the lava or maybe get a faster pickaxe for mining.
The procedural generation can be pretty questionable at times tho :p
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Lmao nice find xD
Sorry if it was unclear, but mining the red crystal gives you +1 percent mining speed per block shown in the bottom left. If you mine multiple in a row you get a combo chain and can get up to around +7 percent per block. You can also buy a pickaxe upgrade in shops which spawn every 100 blocks that gives +50 percent mining speed. I definitely regret not having time for a tutorial.