Comparison

Optical Illusions vs Odd Machines

Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.

Head to head
About

Optical Illusions

Engage with a collection of mind-bending visual puzzles designed to challenge your perception and cognitive skills. Explore numerous optical illusions that will test your brain power and visual acuity in a fun and engaging way.

Highlights
  • Hundreds of optical illusion challenges
  • Spot trick questions and hidden traps
  • Minimal design for illusion clarity
  • Time-limited challenges
  • Suitable for all ages
  • IQ training and mind games
Read full description

Ready to challenge your perception? Dive into the fascinating world of optical illusions with this brain-teasing game that will blow your mind! Optical Illusions is an interactive riddle game where nothing is what it seems. Test your brain power and visual skills as you explore dozens of mind-bending illusions designed to confuse, amuse, and amaze. Features: - Hundreds of optical illusion challenges to solve - Spot the trick questions and hidden visual traps - Minimal design focused on illusion clarity - Time-limited challenges to increase the thrill - Suitable for all ages – from casual players to puzzle pros Whether you're a fan of brain games, IQ tests, or visual puzzles, Optical Illusions will keep you entertained for hours. Discover how your eyes and brain sometimes don’t agree — and learn to see through the illusion! Categories: Brain Teasers, Puzzle Games, Visual Riddles, IQ Training, Mind Games Download now and start seeing things differently!

About

Odd Machines

Embark on a 3D escape room adventure as a treasure hunter seeking a lost artifact. Solve intricate mechanical puzzles, uncover hidden objects, and unravel mysteries within an ancient temple. Collect fragments of a powerful stone to escape.

Highlights
  • Solve unique puzzle boxes
  • Explore an ancient temple
  • Collect fragments of a lost stone
  • Immersive audio experience
  • Multi-language support
Features
Read full description

You are a legendary treasure hunter, looking for the Stone of Silence, a powerful artifact that got lost in an old temple. There, you will find a series of weird machines full of puzzles to crack to gain your freedom! Odd Machines: Lost Artifacts is a 3D escape room puzzle game where you have to solve complex mechanical puzzles, discover hidden objects, and unveil intriguing mysteries! Dive into a world where cryptic vibes, complex mechanisms, and smooth controls from top escape room games blend to challenge your brain skills. You'll tackle unique puzzle sets on a mysterious, gripping adventure. Every machine is crafted to deliver the ultimate escape and exploration thrill. Play the first 3 levels for free! SOLVE UNIQUE PUZZLE BOXES Embark on a puzzling adventure with an eclectic mix of original Victorian machinery, classic and architectural enigmas EXPLORE AN ANCIENT TEMPLE Step into a mesmerizing world where every move you make reveals new mysteries and changes! COLLECT ALL THE FRAGMENTS OF THE STONE OF SILENCE Once you get all 8 pieces of the lost stone, you'll be transported into a mystical scene where you'll have to crack numeric puzzles to put the pieces together and finally escape the temple IMMERSIVE AUDIO The sound effects and tunes are so mind-blowingly good that will whisk you away on an unforgettable, vibe-filled adventure! MULTI-LANGUAGE SUPPORT* Odd Machines: Lost Artifacts is available in English, French, German, Italian, Japanese, Korean, Portuguese, Russian, and Spanish. *The game language changes based on the device settings

Screenshots

Optical Illusions4 screens
Odd Machines4 screens

Verdict

The call

The clearest difference is review sentiment: Odd Machines at 61% against Optical Illusions's 0%. Odd Machines also leads on ads (none vs shown) and update cadence (every 2 months vs every 19 months). Optical Illusions's advantage is in-app purchases (none vs 3). On price, device support and iOS requirement 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Odd Machines sells 3 one-off in-app purchases. Optical Illusions asks for nothing beyond the download.

UpkeepUpdate frequency

Optical Illusions ships an update every 19 months, Odd Machines every 2 months. The most recent releases landed on October 13, 2026 and October 25, 2026 respectively.

Scorecard5 real differences · 5 level
Optical Illusions versus Odd Machines: the parameters behind the verdict, then further details
ParameterOptical IllusionsOdd Machines
PriceFreeFree
Rating—4.3 (89 ratings) — better
Positive reviews0.0% of reviews61.1% of reviews — better
Number of ratings—89 — better
Update frequencyEvery 19 monthsEvery 2 months — better
AdsYesNo — better
In-app purchasesNo — betterYes
MonetizationAd-supported — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size149 MB436 MB
Age rating12+9+
DeveloperRocketship Studios LLPXSGames

Customer experience

Optical Illusions

Written reviews4 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Odd Machines

All ratings85 ratings
Positive85.9%
Neutral3.5%
Negative10.6%
Written reviews36 reviews
Positive61.1%
Neutral8.3%
Negative30.6%

Bugs and requests

Optical Illusions

Not enough reviews yet to summarise bugs or requests.

Odd Machines

Reported bugs

9 issues
  • No stone to collect from 5th window
  • Game closes immediately on 'play'
  • Bug in first machine, stone disappears
  • Cannot zoom on puzzle
  • Cannot actuate dials
Show 4 more
  • First line of clues/directions hidden by status bar on iPhone
  • Hint button not intuitive
  • No audio in levels, only main menu
  • Bug on top of 4th machine, need to return to temple

Requested features

6 requests
  • Full game should be free
  • Monocle usable at zoomed out level
  • More visual feedback for puzzle completion
  • Option to get the answer when hint isn't enough
  • More levels/unlimited levels
Show 1 more
  • Swap back button positions

In-app purchases

None

Optical Illusions

No in-app purchases

3 purchases

Odd Machines

One-time3
  • Full Game$3.99
  • Unlock Full Game + Coffee$4.99
  • Unlock Full Game + Love$7.99

Questions

Is Optical Illusions free?
Optical Illusions is free to download, with no in-app purchases.
Is Odd Machines free?
Odd Machines is free to download, with in-app purchases available.
Do Optical Illusions or Odd Machines have ads?
Optical Illusions shows ads; Odd Machines does not.
Which is updated more often, Optical Illusions or Odd Machines?
Optical Illusions ships an update every 19 months, and Odd Machines every 2 months. Most recently, Optical Illusions was updated on October 13, 2026 and Odd Machines on October 25, 2026.

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