After 2 full rewrites and an arduous journey, Pixeltorio8 is somewhat playable!
This mod aims to change all base game entity graphics to UTF-8 drawings. Care was taken to maintain readability.

The mod currently replaces these textures from the base game:

• The character
• Accumulators
• Assembling machines (including chemical plant, oil refinery)
• Belts (including undergrounds, splitters, loaders, linked belts)
• Beacons
• Boilers (including heat exchangers)
• Cliffs
• Clouds
• Cargo landing pad
• Combinators & utilities (speaker, display, power switch)
• Containers (including logistics, cargo pods and crashed ship)
• Corpses/Remnants*
• Decoratives (completely removed)
• Editor items
• Electric poles
• Enemies (Biters, Spitters, Worms, Spawners)
• Fishes
• Furnaces
• Generators (Steam engines & turbines)
• Inserters
• Labs
• Logistic and construction bots
• Military buildings (Walls, gates, radar, turrets)
• Military robots (Defender/Distractor/Destroyer)
• Mining drills (including pumpjacks)
• Particles (smoke, explosions, fire, acid, projectiles)
• Pipes (including pipes to ground and heat pipes)
• Pumps (including offshore pump)
• Railway (Rails*, stops, signals, chain signals)
• Reactors
• Resources
• Rocket
• Rocket silo
• Rocks
• Stickers
• Storage tanks
• Solar panels
• Tiles (natural terrain and built, without transitions)
• Trains (including artillery, credits to noodlebox)
• Trees
• Vehicles *

Pending:

• Belt circuit railings