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