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