Comparison

Underground Blossom vs Diffworld

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

Head to head
About

Underground Blossom

Embark on a point-and-click adventure through the life and memories of Laura Vanderboom. Travel through metro stations, each representing a part of her past and future, solving puzzles to uncover her story and escape her inner turmoil.

Highlights
  • Point-and-click puzzle adventure
  • Journey through 7 unique metro stations
  • Solve puzzles and uncover secrets
  • Atmospheric soundtrack
  • Gripping story full of mysteries
Features
Read full description

Descend into the Rusty Lake Underground and travel through the life and memories of Laura Vanderboom! Travel from station to station, each metro stop symbolising a piece of Laura's past and future. Solve various puzzles, find the correct metro to board and uncover one of Laura’s timelines, while simultaneously helping her make sense of her life and escape the corruption of her mind! Underground Blossom is a new point-and-click adventure developed by the creators of the Cube Escape & Rusty Lake series. Features: ▪ A new experience in a familiar setting Enjoy a classic Rusty Lake point-and-click puzzle adventure with a gripping story full of mysteries and, of course, puzzles. ▪ Expect to make several stops Travel to 7 unique metro stations, each station a representation of Laura Vanderboom’s life, memories and potential future. The estimated travel time is 2 hours. ▪ You know what to do Unravel the potential secrets hidden in each metro station, earn achievements and who knows what else you might stumble upon! ▪ Don’t forget your headphones At each metro stop you will be greeted by an atmospheric soundtrack by Victor Butzelaar, including a cello performance by Sebastiaan van Halsema!

About

Diffworld

Features
Read full description

Diffworld is a casual spot-the-difference puzzle. Team up with a curious mascot and its magnifying glass to compare two pictures. The mascot cheers every find, and every puzzle you solve restores another world. - A fresh puzzle every day - Themed worlds, from a snowy glasshouse market to a lantern-lit harvest village - Tap the difference on either picture - Stuck? Use the Hourglass (+30 sec), Big Lens (wide area), or a Hint (exact spot) - Grades and streaks that reward fast, accurate play - Synchronized 1x–3x zoom and pan, plus landscape play - Share your result as an image card - Korean, English, and Dynamic Type support Start immediately without creating an account. The first three standard puzzles include a free hint. After that, you may optionally watch a non-personalized ad for one hint. A result-screen ad appears at most once per three unique completed runs.

Screenshots

Underground Blossom4 screens
Diffworld4 screens

Verdict

The call

The clearest difference is price: Diffworld at Free against Underground Blossom's $2.99. Underground Blossom's advantage is ads (none vs shown) and chart position (#132 vs unranked). On update cadence 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

CostPrice · In-app purchases · Ads · Monetization

Diffworld is free to download; Underground Blossom costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Underground Blossom ships an update weekly, Diffworld every 3 days. The most recent releases landed on October 24, 2026 and October 17, 2026 respectively.

Scorecard5 real differences · 6 level
Underground Blossom versus Diffworld: the parameters behind the verdict, then further details
ParameterUnderground BlossomDiffworld
Price$2.99Free — better
Rating4.9 (4.4K ratings) — better—
Positive reviews97.5% of reviews—
Number of ratings4.4K — better—
Update frequencyWeeklyEvery 3 days — better
AdsNo — betterYes
In-app purchasesNoNo
MonetizationPaid—
Best chart rank#132 — better—
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS12.0 — better17.0
Further details — not scored
Size196 MB27 MB
Age rating12+4+
DeveloperRusty LakeSUNGWOO JUNG

Bugs and requests

Underground Blossom

Reported bugs

2 issues
  • Occasional language inconsistencies between stations
  • Difficulty in backtracking to previous locations

Requested features

3 requests
  • More in-depth exploration of the Rusty Lake lore
  • Longer and more complex puzzles
  • Additional gameplay modes or mini-games

Diffworld

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Underground Blossom

No in-app purchases

None

Diffworld

No in-app purchases

Questions

Is Underground Blossom free?
Underground Blossom costs $2.99, with no in-app purchases.
Is Diffworld free?
Diffworld is free to download, with no in-app purchases.
Do Underground Blossom or Diffworld have ads?
Diffworld shows ads; Underground Blossom does not.
Which is updated more often, Underground Blossom or Diffworld?
Underground Blossom ships an update weekly, and Diffworld every 3 days. Most recently, Underground Blossom was updated on October 24, 2026 and Diffworld on October 17, 2026.

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