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