HalfLight Duo vs Who Did It
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
HalfLight Duo
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HALFLIGHT is a 2-player cooperative puzzle game built around a single shared character — and a twist neither of you can escape: you never see the same thing. One player is Light, and only sees clearly when the character is standing in the light. The other is Dark, and only sees clearly in darkness. Whoever's in the right condition drives the character; the other is blind to hazards right in front of them and has to call out what they see, sight unseen by their partner. Together, you dig through crumbling earth to find hidden crystals and reach the exit. But the ground fights back: • Rocks and bombs fall the instant you step out from under them — stand still and you're safe, move carelessly and you're not. • Bombs explode in a blast radius on impact, chain-reacting into other bombs and smashing through granite. • Some blocks aren't what they look like — solid granite that's secretly hollow earth, harmless dirt hiding a live bomb underneath. Only one of you can ever see which, and only under the right light. • Push rocks and bombs sideways to clear a path, or use them to your advantage. No reflexes will save you here — only communication. Say what you see, trust what your partner tells you, and dig your way to the light. MODES • Solo — play both roles yourself, switching between light and dark as needed. • Private — create a session and share a short code with a friend to play together from separate devices. • Random — get matched with another player looking for a co-op partner. Levels unlock one at a time as you complete them, from simple introductions to devious multi-hazard puzzles. No ads. No accounts, no passwords — just an anonymous connection to sync your session. No in-app purchases.
Who Did It
Engage in a relaxing detective puzzle game that blends Sudoku-style deduction with logic grid challenges. Uncover the truth by analyzing clues, eliminating possibilities, and solving unique mysteries at your own pace.
- Hundreds of handcrafted detective puzzles
- Unique logic-based gameplay
- Cozy detective atmosphere
- Sudoku-inspired deduction
- Logic grid puzzles
- Mystery solving
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Who Did It - Logic Puzzle is a relaxing detective puzzle game that combines Sudoku-inspired deduction, logic grid puzzles, and mystery solving into a unique detective experience. Read clues, place suspects on the grid, eliminate impossible possibilities, and solve cases through pure logic. Every puzzle features a unique solution, offering a satisfying challenge for fans of Sudoku, detective stories, and brain-training games alike. - Solve Every Mystery. One Clue at a Time. Every room hides a mystery. Every suspect has a story. Every clue brings you closer to the truth. Welcome to Who Did It - Logic Puzzle, a relaxing detective puzzle game where logic is your greatest tool. Investigate mysterious cases, analyze clues, place suspects, and uncover what really happened. Every puzzle is carefully designed with one unique solution, rewarding careful observation instead of guesswork. Whether you're solving your first case or tackling your hundredth investigation, each mystery offers a fresh challenge that is easy to learn and satisfying to master. - Think Like a Detective A great detective never guesses. Study every clue, compare every possibility, and eliminate impossible answers until the whole picture comes together. Each case challenges you to determine where every suspect belongs by connecting information across rooms, objects, and relationships. As your investigation progresses, simple clues evolve into clever deductions that reward patience, logic, and attention to detail. The truth is always there. You just have to find it. - Relaxing Puzzles, Clever Challenges Who Did It - Logic Puzzle is designed to be both relaxing and rewarding. There is no timer, no pressure, and no need for fast reactions. Enjoy solving mysteries at your own pace with intuitive controls, colorful visuals, and a cozy detective atmosphere that keeps every investigation enjoyable. Whether you have a few minutes or an entire evening, there is always another mystery waiting to be solved. - Explore Unique Crime Scenes Every investigation takes place in a beautifully themed location. Search for the truth in apartments, offices, museums, hotels, restaurants, cruise ships, theaters, film sets, weddings, zoos, supermarkets, beach parties, haunted houses, and many more memorable environments. Each setting introduces fresh layouts, logical possibilities, and increasingly satisfying puzzles to solve. - Train Your Brain If you enjoy Sudoku, logic grid puzzles, crosswords, escape games, or detective stories, you will feel right at home. Strengthen your logical thinking by: • Connecting clues • Eliminating impossible choices • Finding hidden relationships • Solving increasingly complex cases Every completed investigation improves your observation skills and deduction abilities while delivering the satisfying feeling of solving a mystery entirely on your own. - Features • Hundreds of handcrafted detective puzzles • Unique logic-based gameplay • Cozy detective atmosphere • Beautiful themed locations • Progressive difficulty • Helpful hint system • Offline play • Simple controls • Regularly added mystery content Your Next Case Is Waiting Some mysteries seem impossible. Some suspects appear innocent. Some clues do not make sense... until suddenly everything fits together. Open the case file, trust your logic, and discover the truth. Become the detective every mystery needs. Your first investigation awaits. Developer Phone: +86 13167585045 Support Email: lumen.customerservice@outlook.com Privacy Policy: https://sites.google.com/view/ios-pp-lumenstudio User Agreement: https://sites.google.com/view/ios-lumenstudio-eula
Screenshots
Verdict
The clearest difference is ads: HalfLight Duo at none against Who Did It's shown. HalfLight Duo also leads on iOS requirement (13.0 vs 15.0). On price, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | HalfLight Duo | Who Did It |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.5 (16 ratings) — better |
| Positive reviews | — | 28.6% of reviews |
| Number of ratings | — | 16 — better |
| Update frequency | — | Every 2 weeks |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | — | Ad-supported |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 21 MB | 320 MB |
| Age rating | 4+ | 4+ |
| Developer | Borys Huzhvynskyi | Lumen Studio |
In-app purchases
HalfLight Duo
No in-app purchases
Who Did It
No in-app purchases









