Here is the full list of all 25 Sumo Revise achievements.
BOOT SQUID!
Have all signed-in characters be squids.
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 four human players jump within 1/6 of a second of each other.
Get a warning on the level select screen.
Find Sumo Platforming.
This is the achievement that I put in for testing, and I left it in so you could get it too!
Play with 4 humans players and 4 AI players.
Have at least 4 human players punch within 1/6 of a second of each other.
Finish a round in under 5 seconds.
Play a round with some AI players!
Delete a level in the level editor.
Make a level in the level editor!
Feel the effects of the Super Power Up.
Have one player win Free for All without punching.
Wait on the level select screen long enough to see a tip.
THANK YOU THANK YOU THANK YOU THANK YOU!!!!!!!
Get the Wings and at least 1 speed up powerup while wearing the Super Costume.
Have one player jump 3 times, then land a hit. Punching will reset the jump counter!