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