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

Did some terraria Pixel art (Its bad) : r/Terraria

my first terraria pixel art this year : r/Terraria

Omori Pixel Art : r/Terraria

Pixel Art - [TUTORIAL] Coloring and Shading

Pixel Art 101: Terraria Samurai

My first pixel art (pls don't judge) : r/Terraria

Click this image to show the full-size version. Terraria house design, Terraria house ideas, Pixel art

Terraria Pixel Art: How to Build and Instructions - Guide

Terraria Pixel Art Solar Flare Armor Fan Art Sticker for Sale by HackThoop

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