Puzzle v1.20.0
Cross Logic is a grid-based logic puzzle game for deductive reasoning. Solve clues to fill grids (5x5 to 10x10) with over 300 levels. Ideal for adults who enjoy classic logic puzzles like Sudoku without numbers. Lightweight, distraction-free mental workout.
If you’ve ever wanted to sharpen your deductive thinking without staring at sterile flashcard apps, Cross Logic offers a quiet alternative. It’s a logic puzzle app built around grid-based riddles—think of it as a pocket-sized detective game where you mark X’s and O’s to deduce the correct pattern. I picked it up during my daily commute, and after a few weeks, I noticed my ability to spot inconsistencies in spreadsheets improved slightly. Not a miracle cure, but a steady mental workout.
I use Cross Logic mainly during two specific windows: the first fifteen minutes after waking up (while coffee brews) and the last ten minutes before bed. The puzzles run from small 5×5 grids up to 10×10 grids, so you can pick the time investment. A quick 5×5 takes about two minutes; a nasty 10×10 can eat up twelve minutes unless you get stuck. The interface is barebones—just a clean grid and a row of symbols—but that’s fine. I don’t want fireworks at 6:30 AM.
One practical detail: the app does not pause a timer if you switch to another app. If a notification pops up, your puzzle continues ticking. That annoyed me at first, but it also forced me to finish or put the phone down. For people who want a distraction-free session, that’s actually a feature.
Each puzzle gives you a set of logical clues like “The blue car is parked to the right of the red car” or “The person who drinks tea sits next to the chemist.” You fill in a grid with check marks and crosses until all relationships are satisfied. The early levels teach the basic elimination technique, but around level 40 the difficulty spikes because clues become double-negative or refer to positional constraints. Cross Logic does not offer a hint button beyond a simple “show one cell” toggle, which often reveals a trivial cell. I ended up needing paper notes for the larger grids—something the app could have handled better with a note-taking layer.
The puzzle library is decent: over 300 levels at launch, with occasional updates adding 20 more. But the puzzle types repeat. You’ll see the same “five people, five houses, five pets” format many times. The twist comes from the clue complexity, not the scenario variety. After 100 puzzles, I felt I had seen every variation of the “who owns the zebra” riddle.
No app is perfect, and Cross Logic has a few real pain points. First, the free version displays a full-screen banner ad after every completed puzzle. It’s not intrusive during the puzzle, but it breaks the flow when you’re trying to chain two or three easy ones. The one-time purchase removes ads, but that feels steep for a puzzle app with no cloud sync—if you switch phones, your progress is gone. Second, the app has no timer stop option. For people who like to solve puzzles slowly while half-watching TV, the constant ticking creates unnecessary pressure. Third, the color scheme is a fixed light blue and white; there is no dark mode. After solving fifteen puzzles in a dark room, my eyes started to strain.
This app is for logical deduction enthusiasts who enjoy classic grid puzzles—the kind you’d find in a Dell magazines or on logic-puzzle websites. It’s not for action gamers or people who want quick dopamine hits. If you dislike solving problems in a step-by-step manner, you’ll find it tedious. The learning curve is gentle, but the payoff is subtle; you don’t get flashy rewards, just the satisfaction of filling in the final cell correctly. I also wouldn’t recommend it to children under twelve: the clues sometimes use adult vocabulary (e.g., “the architect prefers Pilsner over IPA”) that a younger player might not understand.
For adults who enjoy Sudoku but want something less number-based and more story-driven, Cross Logic fills that niche well. I’ve logged about 40 hours total, and while I don’t play every day anymore, I still return when I need to force my brain out of lazy scrolling mode.
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