Tube Sort is a calm, satisfying water-sort puzzle from NovaArcade.
Tap a glass tube, pour its top color into another valid tube, and keep going until every tube is empty or filled with a single color. Crystal-clear pours, a soft luminous lab atmosphere, and levels that are always solvable — no unfair boards.
Features
• Tap to select, tap to pour — one finger, offline
• Smooth glass pour animations
• Undo when you mis-pour (limited charges)
• Stuck? One-tap hint (optional rewarded)
• 80+ validated levels with a rising difficulty curve
• Daily challenge (same puzzle worldwide each UTC day)
• Music, SFX, and haptics you control
• Colorblind-friendly patterns
Remove ads anytime with a one-time purchase. Short sessions. Pure pour skill.
Pour colors in glass tubes. Sort every rack. Stuck? One-tap hint.