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