Here is the full list of all 15 Montaro achievements. It takes around 2-3 hours to unlock all of the achievements on Windows.
Collect 802 pantsu.
I'm not a doge.
Drop the doge.
Press Ð to rain.
Interrupt the doge line.
So bag, many happy, wow.
Purchase the orange box.
Stunned.
Unlock the suit.
Collect 1208 Dogecoins.
Snipe 30 crows.
unlock Banana.
Unlock moon moon.
Deal with it.
Wow.