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