RetroZino

RETROZINO — Neon Number Puzzles

Step into the Retrozino: a neon-lit world of deep violet nights, hot-pink lights and casino gold, where every table hides a number puzzle waiting to be cracked.

RETROZINO APP is a Suko-style logic game. Fill the grid with digits so that the number in each circle equals the sum of the cells around it, and every colored region adds up to its target. Simple rules, satisfying deduction — no guessing ever required. Every puzzle is generated with exactly one solution.

CLIMB THE LEAGUE
Work your way up the ladder through 12 levels across multiple divisions. Each rank brings bigger boards and tougher logic. How far can you climb?

DAILY CHALLENGE
One fresh puzzle every day, the same for every player worldwide. Keep your streak alive and make solving part of your routine.

BLITZ MODE
Race the clock. Quick-fire puzzles for when you have a minute to spare and a score to beat.

PRACTICE YOUR WAY

Zen mode: no timer, no pressure. Just you and the grid.
Blind mode: for experts who want a real test of memory and logic.
FIVE DIFFICULTY TIERS
From relaxed starter grids to expert boards that will bend your brain. The difficulty system scales board size and the number of given digits, so there is always a comfortable next step.

MADE FOR FOCUS

Clean, math-precise board layout with junction circles right on the grid crossings
Undo any move, no penalties in practice
Subtle haptic feedback
A striking retro-arcade look built around the Bungee display font
PLAY ANYWHERE
RETROZINO casino is fully offline. No internet connection required, no account, no registration.

YOUR PRIVACY, RESPECTED

No ads
No tracking or analytics
No data collection of any kind
All progress is stored only on your device
HOW TO PLAY
Each circle sits at the crossing of four cells and shows the sum of those four digits. Colored regions show their own target sums. Use the given digits as anchors, deduce the rest, and complete the grid. A built-in tutorial walks you through everything in under a minute.

Whether you love sudoku, kakuro, kenken or any logic grid game, RETROZINO slots gives you the same pure deduction with a fresh twist and a bold neon style.