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