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.
So bag, many happy, wow.
Purchase the orange box.
Unlock the suit.
Unlock moon moon.
unlock Banana.
Collect 1208 Dogecoins.
I'm not a doge.
Snipe 30 crows.
Interrupt the doge line.
Press Ð to rain.
Drop the doge.
Stunned.
Deal with it.
Wow.