Here is the full list of all 12 Shutshimi achievements.
Defeat the final terror of the sea. No bigger fish to fry!
Complete Boss Rush mode. Talk about deja vu!
With the lipstick equipped, smooch a shark. I'm just after the achievement - it's not like I like you or anything!
What a horrible night to have a sweet pair of sunglasses.
Amass a total of 53594 kills...give or take 52594.
Survive 10 waves with a score of 0. Nothing like a game of Invasion Golf!
Acquire the hero's cape. Finally, some clothing!
Acquire over 9000 points in a single game. But try not to break anything.
Wear 3 hats in a single game. That's called a Hat Trick!
Clear 10 shop rounts within 2 seconds each in a single game. Don't look, just pick!
Clear a bouncy castle round by bouncing off the floor fewer than 6 times. You should play Bassketball!
Clear 10 consecutive waves wearing the Foam Dome. Now you're drinkin' like a fish!