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