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