Principia 2025.04.05 has been released
New contest - Puzzling Puzzles
What machines or contraptions have you been working on in Principia?
Mars Concept Digger by yong
Slot Machine by Cheddah
Hacker's Journey by Leis
Stair Climber by Golden
Mars One Project: Launch test by abrackers
Tough Adventure by Danish18aiman
Infiltrate the Bunker by TechZ
Angry Rhinos by TechZ
XTREME TRIAL by TechZ
Custom Bike by Tetsu
Armed Robot by Doughnuts108
Artificial Intelligence (walker) by Rubicon
PCPA 9000 by TechZ
PLANETS by TechZ
Laser Eater by Jerm_S
Strong Climber by TechZ
Optimus Prime by Rubicon
