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