Undead castle vs X
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Undead castle
A casual puzzle game where the goal is to open doors by solving hidden object puzzles. It offers a variety of challenging brain teasers and uses different interaction methods like clicking and sliding. Continuously updated with new puzzles, it's a free and addictive experience.
- Room escape gameplay
- Hidden object puzzles
- Challenging brain teasers
- Multiple interaction methods
- Constantly updated puzzles
- Free to play
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This is a room escape/back-room escape type game,decrypted is a casual puzzle game,the object of the game is to open the door. All hidden objects to solve puzzles in the Chamber and into the next room. In this fun,addictive,free and popular puzzle game to challenge yourself. Room escape type game,lots of puzzles and poke your brain,challenging puzzles,and through a variety of actions,click,slide,g-sensor,and so on for the game. Each door is a puzzle,by drop dots on the image leads to crack open the door,a lot of extremely difficult puzzle game,constantly updated. How to play: complete all missions in the game,in the game unimpeded. you can also share it with your friends,come experience the fun. The game features Come and play!
X
Use an X-ray scanner to see through objects and discover hidden clues. Find the key to unlock the door and help the girl escape the room. A unique puzzle game with a visual twist.
- X-ray scanner ability
- See through objects
- Find hidden clues
- Solve escape room puzzles
- Unlock doors
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The girl is locked in a room. Help her escape with a X-Ray scanner! You can see through things with X-Ray scanner. The room will be totally different in a scanner's view. You will find some clues. Use the clues to find the key and open the door!
Screenshots
Verdict
The clearest difference is update cadence: X at every 2 weeks against Undead castle's every 11 months. X also leads on iOS requirement (10.0 vs 12.0). Undead castle's advantage is ratings volume (7 vs 1). On price, rating, ads and in-app purchases 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.
On the App Store both sit at effectively the same score — 5.0 for Undead castle against 5.0 for X. That said, the two scores are not equally well evidenced: Undead castle has 7 ratings behind it against 1, so its average is the more settled of the two.
Undead castle ships an update every 11 months, X every 2 weeks. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.
| Parameter | Undead castle | X |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (7 ratings) | 5.0 (1 ratings) |
| Positive reviews | 66.7% of reviews | — |
| Number of ratings | 7 — better | 1 |
| Update frequency | Every 11 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 | 10.0 — better |
| Further details — not scored | ||
| Size | 39 MB | 115 MB |
| Age rating | 12+ | 4+ |
| Developer | 娟 杜 | 庆龙 刘 |
Customer experience
Undead castle
X
In-app purchases
Undead castle
No in-app purchases
X
No in-app purchases
