Check out our review of A Game About Digging a Hole.
Note: Most achievements can not be earned on your first playthrough. They are unlocked in New Game +.

TREASURE – Find the treasure
Completing the story.

Long Fall – Fall for at least four seconds
Dig a smooth hole to walk into. Drill is recommended. You will potentially die from attempting this achievement, losing your ores.
Hidden

The Fastest – Beat the game in under 30 minutes
Focus on your Shovel and Battery upgrades. Then Dig Dig Dig
Hidden.

BOOOOM! – Throw 100 Dynamites
Hidden.

I AM SHOVEL ! – Shovel 4,000 Times
The Drill will not count.
Hidden.

Wasted – Waste 50 Ores
Hidden.

Moneymaker – Earn $20,000
Hidden.

Stonemason – Collect 100 Stones
Hidden

Rainbow – Collect 5 Rainbow Ores.
Hidden.

Old Crate – Open the crate in the Garage
Both locations for the keys are randomized in each playthrough. They are also always in the first 50 meters you can dig.
Hidden
Try A Game About Digging A Hole on steam today for $4.99!
https://store.steampowered.com/app/3244220/A_Game_About_Digging_A_Hole