Here is the full list of all 26 RoboSquare achievements.
Eliminate 10 opponents
Eliminate your first opponent
Lose a match, pretty easy to do
Play your first match of the game
Boot up RoboSquare
Equip your first customization item
Win your first game
Buy your first customization item
Can't believe you are gonna sucker somebody into playing this game with you
Join a party, sombody "accidently" sent you an invite for
Be in a party of max size (16)
Purchase 10 cosmetic items
Eliminating 50 opponents, sounds like you are kinda a pro
You got to choose the fate for 100 opponents by eliminating them
Win 10 matches
Lose 10 matches
Win 50 matches
Lose 50 matches
How did you win 500 games? Are you hacking bruh?
Purchase 50 items from the store
You found us! With this comes a present!
Combine three of an item into a copper rarity!
You figured it out, combine three copper tier to get the next rarity!
You got a gold version of an item, you probably look the best out there!
You took 81 items, smashed them together with such force that, not only is it a ruby, but also lets off particles as well!
You just, probably like, fell on it accidentally didn't you?