Here is the full list of all 48 Pixel Artist achievements.
Painted Blessed Mage
Painted All Souls Night
Painted Hidden Bridge
Painted Moon Carriage
Painted Night Air
Painted On The Hunt
Painted Rustic Village
Painted Pixel City Residential
Painted Overgrown
Painted Lonely Science
Painted Almost Lucky
Painted Crafty Witch
Painted Space Elevator
Painted Haunted Cemetery
Painted Medieval Home
Painted Tarot Reading
Painted The Office
Painted Green Thumb
Painted Downtown
Painted Stay A While And Listen
Painted May I Have This Dance
Painted Abandoned Hardware
Painted Sweet Petals
Painted Dwarf Shop – Meeting
Painted Retro Nostalgia
Painted Sacred Dagger
Painted Forest Friends
Painted Frankenstein’s Experiment
Painted Pixel Exploration
Painted Dungeon In A Dungeon
Painted Classic Living Room
Painted Pixel City Industrial
Painted Squirrel Management
Painted Mannequin Impostor
Painted Apocalypse Begins
Painted Kid’s Room
Painted Alien Invader
Painted Holy Paladin
Painted Campfire
Painted Self Destruct
Painted Pink and Fluffy
Painted Guns For Sale
Painted Good Day To Farm
Painted Beauty Potion
Painted Crumbling Dungeon
Painted Laboratory Take-Down
Painted Surrounded
Painted Galaxy Magic