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