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