Comparison

Mousebusters vs Underworld Office

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

Head to head
About

Mousebusters

Embark on a pixel art adventure to vanquish spectral entities plaguing an apartment. As a member of the Mouse Busters, you'll help your master clear out ghosts and save residents from emotional darkness. This casual horror game progresses through tapping, character interaction, and object examination.

Highlights
  • Pixel art graphics
  • Story progression by tapping
  • Character interaction
  • Object examination
  • Casual horror adventure
  • Ghost busting gameplay
Features
Read full description

It's our duty to wipe out the apartment's ghosts and save the residents from the growing darkness inside their hearts. We're the Mouse Busters! The ghosts in the apartment are takin' a toll on the residents' emotions. And we, the Mouse Busters, are the unsung heroes who'll wipe out all those evil ghosts. Hey, newbie. You can call me "Master." Hmm? Ya look like ya wanna say somethin'. You tellin' me the name "Mouse Busters" sounds like wiping out mice instead of ghosts? ... Oh, come on. That doesn't matter. All that matters is that it sounds cool! ------------ This is a simple game where the story progresses by tapping the screen, talking to characters and checking objects. Enjoy this casual horror adventure game by helping your master wipe out the ghosts that haunt the apartment.

About

Underworld Office

Embark on a captivating chat-style interactive story game where your choices shape a mysterious narrative filled with ghosts and touching episodes. Explore a unique world, meet intriguing characters, and uncover secrets in this visual novel adventure.

Highlights
  • Chat-style interactive storytelling
  • Mystery and ghost-themed episodes
  • Branching narrative with multiple routes
  • Collection of illustrations and titles
  • Unique puzzles
  • Free to play
Features
Read full description

Here we come a Visual Novel, filled with horror, touching episodes, and chat stories! It’s a completely unparalleled Visual Novel, Ghost Game, Best Novel Game you have ever played made especially for smartphone users! Do you read books but being bored with it? Like to play interactive story games, visual novels, adventure games, ghosts games, chat games, indie games but tired of the same old templates? Try our Visual Novel, a Mysterious Novel where choices do matter! We are offering our free interactive storytelling game named ‘Underworld Office’ in the world of Adventure Games. All our stories, mysterious novels are written by diligently selected authors. ■ Introduction to Underworld Office | Visual Novel & Adventure Game: Underworld Office is a chat style interactive story game and adventure game with an attractive universe where you will experience mysterious, yet touching episodes with various ghosts (in this ghost game) that are somewhat twisted, cute, and stern at the same time! ■ Intriguing Plot In our Hidden story game, ghosts game; The main character is Eugene who accidentally falls into the world of ghosts and almost gets killed by monsters while a mysterious ghost saves Eugene and demands to work at the Underworld Office in return… ■ Key Features of our Ghosts Story, Mysterious Novel game: - Light novel, adventure game, visual novel, styled mysterious text - Attracting characters in this hidden story game - Enjoy a different world with about 40 short animations and 150 illustrations - Find all 7 different routes through making different choices | Mysterious Novel - Collect all 25 titles and 60 album illustrations in adventure game & enjoy it. - If you ever played Hidden Story game, Ghosts Novel, or any Masterpiece Novel. You will enjoy this Visual Novel too. ■ EXTRA FEATURES to enjoy our Adventure Game (Ghost Story Novel): - This Adventure game is for FREE! Enjoy our Visual Novel | Ghost Game - Meet with ghosts in our ghost game that is cute & stern at the same time! - Play unique puzzles in this hidden story, ghost game. Your story will depend on what you choose in this our visual novel - More stories to come! We will notify you about our upcoming visual novels, adventure game, ghost game ■ Why Novel? In novels, you directly control the flow of the story. Your choices do matter so choose carefully how to react and what to do in different situations. Play our Visual Novel, Hidden Story Game and you will never regret it. Visual Novels has thousands of lovers and it is the fastest-growing collection of interactive stories where YOU choose your destiny. Try in our Hidden Story Novel, Ghost Game! ■ We recommend this Adventure Game, Visual Novel for… - Who Like Visual Novel, Ghost Games, Adventure Games or Chat Games, Opus - Want to kill time while playing Adventure Game or reading a Visual Novel - Love to be in World of Ghosts, or like to play Ghost Games, Interactive Story Games - Want to play for free? Our Visual Novel ‘Underworld Office’ is 100% free to play. - Love light novels, Masterpiece Novel, Mysterious Novel or Adventure Game - Those who want to move from the old stories & old templates of adventure game - Love interactive ghost story novels, Masterpiece Novel, Storytelling game - Those who get tired of playing regular novel games - Who Like Adventure Games | Best Novel Games | World of Ghosts | Ghost Games | Chat Games | Masterpiece Novels | Mysterious Novels We bring new adventure game stories! Right now, you have the opportunity to enjoy our Visual Novel, Ghost Games, Story Games, Adventure Games! Although Your suggestions are welcomed at help@buffstudio.com! Write to us what genre you are interested in and we will choose the most popular genre for our next upcoming adventure games, visual novel, or in our storytelling games. Share our ghost games, hidden story games, chat games with your friends and family, and let them excited too.

Screenshots

Mousebusters4 screens
Underworld Office4 screens

Verdict

The call

The clearest difference is update cadence: Mousebusters at every 2 weeks against Underworld Office's monthly. Mousebusters also leads on iOS requirement (13.0 vs 15.0). On price, rating, review sentiment and ratings volume 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. Mousebusters sells 7 one-off in-app purchases and Underworld Office sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.8 for Mousebusters against 4.9 for Underworld Office. Both are backed by a comparable volume of ratings — 1.5K and 824 respectively. Written reviews are what separate them: 94% of Mousebusters's written reviews are positive against 91% of Underworld Office's.

UpkeepUpdate frequency

Mousebusters ships an update every 2 weeks, Underworld Office monthly. The most recent releases landed on October 29, 2026 and October 25, 2026 respectively.

Scorecard2 real differences · 8 level
Mousebusters versus Underworld Office: the parameters behind the verdict, then further details
ParameterMousebustersUnderworld Office
PriceFreeFree
Rating4.8 (1.5K ratings)4.9 (824 ratings) — better
Positive reviews93.6% of reviews — better90.9% of reviews
Number of ratings1.5K — better824
Update frequencyEvery 2 weeks — betterMonthly
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better15.0
Further details — not scored
Size76 MB516 MB
Age rating9+9+
DeveloperOdencat Inc.Buff Studio Co.Ltd.

Customer experience

Mousebusters

All ratings1,531 ratings
Positive96.8%
Neutral1.3%
Negative1.9%
Written reviews671 reviews
Positive93.6%
Neutral2.4%
Negative4.0%

Underworld Office

All ratings824 ratings
Positive97.6%
Neutral1.1%
Negative1.3%
Written reviews658 reviews
Positive90.9%
Neutral3.8%
Negative5.3%

User reviews

Mousebusters

From 1.5K App Store ratings

What we love

  • 👍 Fun and entertaining gameplay
  • 🎨 Cute pixel art style
  • 📖 Engaging and emotional story
  • 🎶 Great background music
  • 🔍 Interesting characters and lore

Room to improve

  • 💰 Paywall for full game access
  • ⏱️ Tedious coffee bean collection
  • 🤖 Repetitive ghost-hunting gameplay

Underworld Office

From 824 App Store ratings

What we love

  • ❤️ Heartwarming story
  • 😍 Charming characters
  • 🎨 Beautiful art style
  • 🎥 Engaging animations
  • 🔍 Interesting plot twists

Room to improve

  • 🤖 Occasional glitches and bugs
  • 🔍 Unclear ticket system
  • 📺 Frequent ads can disrupt immersion
  • 🕰️ Short gameplay length

Bugs and requests

Mousebusters

Reported bugs

2 issues
  • Audio glitches and cutouts
  • Occasional crashes

Requested features

3 requests
  • More gameplay variety
  • Multiple story endings
  • Reduced coffee bean requirement

Underworld Office

Reported bugs

3 issues
  • Choices not registering after watching ads
  • Game freezing at certain decision points
  • Translation errors in some dialogue

Requested features

4 requests
  • More story chapters and endings
  • Ability to replay animations
  • Ticket replenishment system
  • Expanded character backstories

In-app purchases

7 purchases

Mousebusters

One-time7
  • Bronze Support$0.99
  • Remove Ads$2.99
  • Silver Support$2.99
Show 4 more
  • Extra Episode$2.99
  • Gold Support$4.99
  • Complete Package$4.99
  • Platinum Support$9.99
3 purchases

Underworld Office

One-time3
  • 400 Tickets$0.99
  • 1000 Tickets$1.99
  • Remove Ad, 800 Tickets$3.99

Questions

Is Mousebusters free?
Mousebusters is free to download, with in-app purchases available.
Is Underworld Office free?
Underworld Office is free to download, with in-app purchases available.
Which has better reviews, Mousebusters or Underworld Office?
Underworld Office is rated higher. Mousebusters averages 4.8 out of 5 from 1.5K ratings, while Underworld Office averages 4.9 from 824 ratings.
Do Mousebusters or Underworld Office have ads?
Both Mousebusters and Underworld Office show ads.
Which is updated more often, Mousebusters or Underworld Office?
Mousebusters ships an update every 2 weeks, and Underworld Office monthly. Most recently, Mousebusters was updated on October 29, 2026 and Underworld Office on October 25, 2026.

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