How da hek do you do terraria pixel art I can only do regular art

Terraria: 2D RPG Pixel art perfection

Pixel Art - Beginner Spriting Guide

my first terraria pixel art this year : r/Terraria

Pixel Art - Beginner Spriting Guide

Pixel Art - [TUTORIAL] Coloring and Shading

Omori Pixel Art : r/Terraria

I tried to make a pixel art of Empress of light, any suggestions I would appreciate. This is my first post on Reddit, and if the grammar is bad I'm sorry, English

Terraria Pixel Art [Creation] Pixel art, Terrarium, Creature concept art

Pixel Art - Tips and Tricks ( Not Pro ) ( Terraria ) 1/2

Terraria 1.3 Let's Build Ep9 Pixel Art! Terraria house design tutorial

I made more Calamity Mod Pixel Art. : r/Terraria

Terraria 1.3 Let's Build Ep9 Pixel Art! Terraria house design tutorial

Cthulhu Pixel Art : r/Terraria

Terraria Pixel Art: How to Build and Instructions - Guide