Here is the full list of all 25 Sumo Revise achievements.
BOOT SQUID!
Have all signed-in characters be squids.
Get the Wings and at least 1 speed up powerup while wearing the Super Costume.
Feel the effects of the Super Power Up.
Play Free for all Sumo Steam Guns on Space.
Play Free for All on Duel with Splorch.
Experience Super Splorch.
Find the secret Lizard (and extra credit if you can figure out what it does!)
Now you've got them all!
Play over 100 rounds without exiting the level.
Play 2 player Free for All on Pagoda without powerups.
Have at least 4 human players punch within 1/6 of a second of each other.
Have at least four human players jump within 1/6 of a second of each other.
Have one player jump 3 times, then land a hit. Punching will reset the jump counter!
Play a round with some AI players!
Play with 4 humans players and 4 AI players.
Wait on the level select screen long enough to see a tip.
Get a warning on the level select screen.
Delete a level in the level editor.
Make a level in the level editor!
Finish a round in under 5 seconds.
Have one player win Free for All without punching.
Find Sumo Platforming.
This is the achievement that I put in for testing, and I left it in so you could get it too!
THANK YOU THANK YOU THANK YOU THANK YOU!!!!!!!