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