Vierte: Color Sort Puzzle

Vierte is a relaxing, addictive logic puzzle: pour water from tube to tube until every tube holds a single color. Easy to learn, hard to put down, and not a single ad. HOW TO PLAY • Tap a tube, then another, to pour • You can only pour onto the same color or into an empty tube • Each tube holds 4 layers • Win when every color sits in its own tube ALWAYS SOLVABLE • Every level is generated by an algorithm and checked by a solver: no level is impossible • Difficulty ramps up gently: from 3 colors up to 12 colors and 14 tubes • 1000+ levels HELP WHEN YOU'RE STUCK • Undo moves • Restart the level any time • Add an extra empty tube MADE FOR EVERYONE • Colorblind mode: every color carries its own symbol • Smooth pouring animation, soft water sounds and haptics (you can turn them off) • Replay any finished level and beat your move count • Progress is saved automatically NO ADS, NO INTERNET No ads after every level. Play on the bus, on a plane or offline. Vierte needs no account and collects no data. VIERTE PRO: ONE PAYMENT, NO SUBSCRIPTION The first 60 levels are free. A single payment unlocks: • 1000+ levels • Unlimited undo • 2 extra tubes per level • 4 color themes: Night, Sunset, Jungle and Sand

First release.