Here is the full list of all 85 Slime-san achievements.
Beat a Speed Running Mode!
Beat all the achievements in Slime-san!
Beat the special sheeple level in NG+.
Beat all core sheeple levels in NG+.
Complete a speedrun of Sheep's Sequel.
Unlock and beat New Game PLUS level 101.
Buy out the entire carpenter shop.
Purchase all gallery sets.
Get the high score in Sheepleman 64.
Get a high score in all 5 music game tracks.
Purchase half of the gallery.
Beat the special sheeple level.
Talk to both hidden indie stars.
Beat all remix levels.
Beat all remix level trophy times.
Speedrun the entire 25 levels once!
Beat all core sheeple level trophy times.
Beat all core sheeple levels.
Collect all bugs in core sheeple levels.
Beat level 26 in NG+.
Beat levels 21 to 25 in NG+.
Beat levels 16 to 20 in NG+.
Beat levels 11 to 15 in NG+.
Beat levels 6 to 10 in NG+.
Beat levels 1 to 5 in NG+.
Beat all New Game PLUS levels in World 5.
Beat all normal and NG+ levels, collect all the Apples and beat all the Trophy times in World 5.
Beat all New Game PLUS levels in the game.
Beat all normal and NG+ levels, collect all the Apples and beat all the Trophy times in the game.
Beat all New Game PLUS levels in World 4.
Beat all normal and NG+ levels, collect all the Apples and beat all the Trophy times in World 4.
Go through the tutorial levels once.
Beat level 26.
Beat the scary dojo challenges 1 to 10.
Beat the scary dojo challenges 1 to 5.
Beat the trophy time of level 101.
Beat levels 21 to 25.
Beat levels 16 to 20.
Beat levels 11 to 15.
Beat a Boss Rush Mode!
Beat levels 6 to 10.
Beat all New Game PLUS levels in World 3.
Beat all normal and NG+ levels, collect all the Apples and beat all the Trophy times in World 3.
Unlock and beat level 101.
Collect all the Apples in the game.
Beat all New Game PLUS levels in World 2.
Beat all normal and NG+ levels, collect all the Apples and beat all the Trophy times in World 2.
Buy all pieces of clothing.
Beat all the Trophy times in World 5.
Beat all the Trophy times in the game.
Beat all New Game PLUS levels in World 1.
Beat all normal and NG+ levels, collect all the Apples and beat all the Trophy times in World 1.
Find grandpa-san in Slime town.
Beat all levels in World 5.
Beat all levels in the game.
Collect all the Apples in World 5.
Unlock all arcade games!
Buy 10 items in the carpenter shop.
Beat all the Trophy times in World 4.
Buy all shaders.
Listen to one track on any jukebox.
Beat all levels in World 4.
Buy all Playstyles.
Collect all the Apples in World 4.
Beat levels 1 to 5.
Beat all the Trophy times in World 3.
Beat all levels in World 3.
Collect all the Apples in World 3.
Look at one international leaderboard!
Buy one shader.
Beat all the Trophy times in World 2.
Beat all levels in World 2.
Collect all the Apples in World 2.
Buy all pieces of sideart.
Unlock one arcade game!
Buy one piece of clothing.
Beat all target mode challenges.
Beat all the Trophy times in World 1.
Beat all levels in World 1.
Collect all the Apples in World 1.
Beat one target mode challenge.
Buy one piece of sideart.
Watch one cutscene in the settings.
Buy one Playstyle.
Talk to five citizens in Slumptown.