Here is the full list of all 76 Mining Mechs achievements. It takes around 8-10 hours to unlock all of the achievements on Windows.
Collect 100 trash
Unlock the crane mech
Have $1.000.000
Reach a depth of 1000m
Make a deal with the devil
Collect 100 diamond
Find a Hellstone
Pass the airlock
Reach a depth of 900m
Collect 100 jewelry
Collect 30 sapphire
Unlock the scorpion mech
Unlock the kangaroo mech
Dig 5.000 blocks
Collect 20 emerald
Collect 100 uranium
Reach a depth of 800m
Pass the plated stone barrier
Collect 100 amethyst
Reach a depth of 700m
Unlock the rhino mech
Collect diamond ore
Collect 100 gold
Collect 100 tin
Collect 100 silver
Reach a passive income of $100
Collect 10 ruby
Collect 100 azurite
Collect 10 treasures
Collect uranium ore
Reach a depth of 600m
Bounce on top of the airship
Sell for a total value of $1337
Unlock the beetle mech
Unlock the worm mech
Find out how high you can fly
Pass the outpost gate
Reach a depth of 500m
Collect amethyst ore
Collect 100 cobalt
Reach a depth of 400m
Collect 100 realgar
Collect gold ore
Dig 2.000 blocks
Use a teleporter
Use confetti
Unlock the turtle mech
Have $100k cash
Use a booster
Deliver 1000 dirt
Collect azurite ore
Reach a depth of 300m
Collect a ruby gem
Dig 1000 blocks
Collect an emerald gem
Collect 100 copper
Reach a depth of 200m
Collect realgar ore
Sell $10k worth of ore at once
Collect cobalt ore
Reach a depth of 100m
Find a treasure chest
Use an explosive
Collect a sapphire gem
Unlock the snake mech
Get a mech to max level
Find cheese
Collect trash
Reach mech level 3
Collect silver ore
Collect tin ore
Connect your first mine
Collect copper ore
Collect jewelry
Complete the Tutorial