Best games like 謎解き ~孤島に秘めし9つの手紙~ 脱出ゲーム風推理アドベンチャー

10+ similar games compared and reviewed

4.5 avg rating
10 free games
Updated October 2026

Whether you want more options like 謎解き ~孤島に秘めし9つの手紙~ 脱出ゲーム風推理アドベンチャー or a completely different take on the same concept, our curated list of 10+ similar apps and games has you covered. Updated for 2026 with the latest ratings and comparisons.

Top Alternatives to 謎解き ~孤島に秘めし9つの手紙~ 脱出ゲーム風推理アドベンチャー

大人のなぞなぞ3 ~暇つぶし脳トレIQ謎解きアプリ~ screenshot 1
大人のなぞなぞ3 ~暇つぶし脳トレIQ謎解きアプリ~ screenshot 2

This brain-training app offers 100 riddles designed to encourage flexible thinking. It features a wide range of difficulty levels, from easy to challenging, making it enjoyable for all ages. Perfect for those who enjoy puzzles, IQ tests, and cryptograms as a way to pass the time.

What We Love

  • 👍 Puzzles are fun and engaging
  • 🧠 Good mental exercise
  • 👍 Suitable for killing time
  • 💡 Puzzles are well-designed
  • 👍 Satisfying when solved
  • 👍 Enjoyable with friends/family
  • 👍 Good difficulty level
  • 👍 Interesting puzzles
  • 👍 Good for breaks
  • 👍 Fun overall

Room to Improve

  • 🐛 App crashes frequently
  • 🐛 Ads appear after hints/correct answers
  • 🐛 Forced to write reviews to progress
  • 🐛 Frustrating when hints cause crashes
  • 🐛 Some puzzles are too difficult
  • 🐛 Unclear puzzle instructions
  • 🐛 App is buggy
  • 🐛 Poorly designed
  • 🐛 Frustrating at times
  • 🐛 Unfairly judged answers

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