This reminds me of Glean from way back during the Flash game era. And that a good thing because I adore that series.
From time to time I need to scratch that itch of a relaxing mining game. No enemies, no stress, just mining. And this game delivered.

My feedback on how to make this game better and more enjoyable:
1. Allow the players to mine things that are above us or at least to mine left/right during a jump or gliding. It's so annoying when you want to get something above you so you have to circle back and dig a tunnel from above instead of just mine one cube above you.
2. Drilling speed is very slow, even when you have the best mech fully upgraded in combination with boosters things are very slow. I just want thing to be faster.
3. Remove the timer on the Teleporter. Why is it even there? If I want to spam it, let me spam it. I'm the one purchasing it from the shop anyway.
4. Speaking of the shop, remove the silly limit of 5 for bombs/dynamite. It really serves no purpose to have these things limited. If I want to blow stuff up, let me do it.
5. Add a feature of auto/farm bots or something of the sort. I would love to have little automatons who drill the ground slowly. Gradually starting from the first layer and going downwards as they progress. That would be especially cool as I am drilling in the deeper levels to have them do stuff in the earlier part of the map which I will probably never go back to myself. Just clear some space you know.

This reminds me of Glean from way back during the Flash game era. And that a good thing because I adore that series. From time to time I need to scratch that itch of a relaxing mining game. No enemies, no stress, just mining. And this game delivered. My feedback on how to make this game better and more enjoyable: 1. Allow the players to mine things that are above us or at least to mine left/right during a jump or gliding. It's so annoying when you want to get something above you so you have to circle back and dig a tunnel from above instead of just mine one cube above you. 2. Drilling speed is very slow, even when you have the best mech fully upgraded in combination with boosters things are very slow. I just want thing to be faster. 3. Remove the timer on the Teleporter. Why is it even there? If I want to spam it, let me spam it. I'm the one purchasing it from the shop anyway. 4. Speaking of the shop, remove the silly limit of 5 for bombs/dynamite. It really serves no purpose to have these things limited. If I want to blow stuff up, let me do it. 5. Add a feature of auto/farm bots or something of the sort. I would love to have little automatons who drill the ground slowly. Gradually starting from the first layer and going downwards as they progress. That would be especially cool as I am drilling in the deeper levels to have them do stuff in the earlier part of the map which I will probably never go back to myself. Just clear some space you know.