Here is the full list of all 19 Coal Mining Simulator achievements.
You placed your first high tunnel
You entered excavator for the first time
Earn 250 000$
Earn 1 000 000$
Earn 10 000 000$
You bought Drill Rig
You bought Loader
You bought Continuous Miner
You bought Face Hauler
You bought second mine
You unlocked all mines
You placed your first low tunnel
You entered crane for the first time
You finished prologue
You hired your first worker
You hired five workers
You blew up first rock
You mined 50 000 kg of coal
You mined 100 000 kg of coal