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