Here is the full list of all 47 Splasher achievements.
Two Splashers in the same place? Impossible.
You should have held that door!
You rang milord?
699
Go Splashteam
Rescue all 154 Splashers in Standard mode
Complete the game in Standard mode
Complete all the quarantine areas
Mashed Potatroopers
Get Bouncink
A bird with two stones
Lasers are my calling card
A close shave
Off to a flying start
Give yourself to the Dark Side
At least I'm not the only one
I get knocked out, but I get up again!
A good Potatrooper is a drowned Potatrooper!
Get Water Stickink
A good Potatrooper is a dead Potatrooper!
Right time, right place
Get your first Platinum Medal in Time Attack
Get your first Gold Medal in Time Attack
Get your first Medal in Time Attack
Complete a level without dying
Fries anyone?
A friend in need is a friend indeed
Rescue all the Splashers from a level in Standard mode
It's all going splendidly
All in a good cause
Get Water
Jump and you're history
You're never going to keep me down!
Why is it always me?
Complete a level without jumping
Complete a Selfish Speedrun
Complete a Standard Speedrun
Complete a Gotta Catch'em All Speedrun
Get your first Medal in Speedrun
Get your first Gold Medal in Speedrun
Get your first Platinum Medal in Speedrun
Complete a Speedrun without dying a single time
Get all the Bronze Medals in the game
Get all the Silver Medals in the game
Get all the Gold Medals in the game
Get all the Platinum Medals in the game
Get all the Achievements. After that, you are definitely one of the best players on the planet, perhaps even the best ever! Continue to prove it in the leaderboards!