Here is the full list of all 24 8BitMMO achievements.
Find EVERY reward block on /rewardblocks (Primary server only!)
Get infected with Zombieism (note, you can't get this from the shop -- you have to be bitten by another player).
After getting stabbed by someone with this achievement.
Complete a trade with another player.
Find thirty reward blocks.
Find fifteen reward blocks.
Join a town.
Finish all of Draco's quests.
Compulsively collect newspapers from 1995, because you might need them later for reasons.
Jeez, calm down. That's enough levels already. Now go outside and really live your life. Visit a new place! Learn a new language! Talk to a stranger! Write a novel! Or don't, I'm just an achievement.
WOOOOO!!!!
Be mildly annoyed by a dropped connection or a 2AM SERVER REBOOT FUN TIME.
Find five reward blocks.
Woo!!
Find one reward block.
Become potato for great glory of national party!
Pretend to read the credits.
Write fanfiction that involves a crossover between citizens of your town and an obscure 1960's sci-fi television drama.
Woo!
Complete Draco's first quest: place five blocks.
Spend fifteen minutes in the options screen.
Write an MMO by yourself for thirteen years.
Be popular and admired.
You lose at MMO.