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