Screws Nuts and Bolts vs DuoLogic

Solve the nuts and bolts screwy levels by unscrewing the objects and placing them into different holes. If you can't figure out where they go you can opt to receive a hint or use either of the boosters to help you solve the puzzles. • A puzzle game the whole family can enjoy • New puzzle game style • A new spin on a classic sorting game • Train your brain while having fun

DuoLogic is a pure and addictive binary logic puzzle, based on Binairo/Takuzu rules. Fill the grid following three simple rules: • No three identical numbers in a row (no 000 or 111) • Each row and column must have equal numbers of 0s and 1s • No two rows can be identical, nor two columns Easy to learn. Hard to put down. WHAT'S INCLUDED? • 20 free levels with a progressive tutorial • 4 board sizes: 6×6, 8×8, 10×10 and 12×12 • 4 difficulty levels: Easy, Medium, Hard and Very Hard • Daily Puzzle — a new one every day for each board size • Special ×4 Mode — 4 interconnected boards at once • Verify button — check your mistakes when you decide • Hint system without spoilers • No ads. No subscriptions. One optional payment. FULL UNLOCK Get 500 levels at once with a single permanent payment. More free levels in future updates. Train your mind. One 0 or 1 at a time.