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