❓ How to Play
Goal: Route colored fluids from sources (▶) to matching targets (⬓). Toggle valves to control flow!
How: Tap any valve to open or close it. Fluid flows only through open valves. Close valves to avoid dead-ends (dashed circles).
Tier 1-2: Basic Routing
Single source, one or two targets.
Tier 3: Color Matching
Multiple colored fluids — each target needs its matching color.
Tier 4: Pressure Valves (⚙)
Gear-marked valves need upstream pressure.
Tier 5: No Contamination
Targets must not receive wrong colors.
Tier 6: Loop Networks
Complex pipe graphs with loops.
Stars: ⭐⭐⭐ for par valve count. Use Undo (↶), Reset (↻), and Hints (💡)!