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