Comparison

Office Grudge vs Castle Empire

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

Head to head
About

Office Grudge

Navigate a hostile office environment by securing rooms and building defenses against an angry boss. Survive the onslaught and complete your tasks to escape.

Highlights
  • Secure rooms and claim desks
  • Build defenses against boss attacks
  • Manage resources like money and electricity
  • Survive until the end of the game
  • Combination of tower defense and casual gameplay
  • Multiple game modes
Features
Read full description

In this dangerous office, your Boss is angry as you are all unsatisfied with his leadership. Try to skip off under the nose of Boss and let go those unpleasant works!! To escape from the Office Grudge, here’s the survival GUIDE for you. - Seize A Room As the game begins, Find an empty room and get on the Desk or Stool as soon as possible. The room can be occupied by anyone. If you lose the room in the competition with the other players, move on to the next room quickly to start your deployment. And once the room is selected there won’t be any change until the end. - Defense After you get in the room, the Boss will try to break in your office. Build your defense to fend off the attacks from the Boss. Arrange your money and electricity to build different facilities wisely, and make sure your Door has a healthy HP. - Survive till the End Your Boss won't stop attacking everyone in the company until all of you are caught by him. So, never let him come into your office... GAME FEATURE - Combination of simple tower defense and casual games. - Different modes for you to experience different strategies. - Gloomy and dark art style, exciting and thrilling experience for horrible games lovers.

About

Castle Empire

Lead an alliance in a medieval world where knights are fading. Build castles, unite rebels, and engage in real-time strategy combat against an old empire. Features casual tower defense and deep castle customization.

Highlights
  • Alliance leadership and competition
  • Castle building and customization
  • Casual single-player tower defense
  • Real-time strategy combat
  • Infinite map zoom and cutaway perspective
  • Assign castle rooms and train residents
Features
Read full description

At the end of Medieval time, firearms prevailed. The knights who had been glorious for more than one thousand years began to withdraw from the main stage of history. The power of the old empire fell apart... In Castle Empire, players will take on the role of alliance leader in the game and compete against the forces of the old empire with other players! -The chivalry lives on Eliminating evil and supporting the weak, building castles to protect your people. Unite with the surrounding rebels, and fight against the old empire together! -Unique Castle Feature Infinite map zoom, cutaway perspective, assign every castle room, training residents, and building your own dream castle! -Casual Tower Defense at Your Fingertips The game has added a casual tower defense gameplay, which is currently available in single-player mode. Although the gameplay is casual, it still offers strategic depth and requires certain finger flexibility! -Real-time Combat Control RTS large-scale map combat control, freely switch between marching and combat, multiple teams fighting simultaneously, flexible tactics and real-time operation, making the battlefield situation ever-changing!

Screenshots

Office Grudge4 screens
Castle Empire4 screens

Verdict

The call

The clearest difference is rating: Castle Empire at 4.7 against Office Grudge's 4.0. Castle Empire also leads on review sentiment (36% vs 0%) and ads (none vs shown). Office Grudge's advantage is in-app purchases (none vs 10) and iOS requirement (10.0 vs 15.0). On price and device support 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. Castle Empire sells 10 one-off in-app purchases. Office Grudge asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Castle Empire holds the better App Store score, 4.7 against 4.0. That said, the two scores are not equally well evidenced: Castle Empire has 3.5K ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 0% of Office Grudge's written reviews are positive against 36% of Castle Empire's.

UpkeepUpdate frequency

Office Grudge ships an update every 3 months, Castle Empire fortnightly. The most recent releases landed on November 3, 2026 and November 7, 2026 respectively.

Scorecard8 real differences · 2 level
Office Grudge versus Castle Empire: the parameters behind the verdict, then further details
ParameterOffice GrudgeCastle Empire
PriceFreeFree
Rating4.0 (4 ratings)4.7 (3.5K ratings) — better
Positive reviews0.0% of reviews36.4% of reviews — better
Number of ratings43.5K — better
Update frequencyEvery 3 monthsFortnightly — better
AdsYesNo — better
In-app purchasesNo — betterYes
MonetizationAd-supported — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS10.0 — better15.0
Further details — not scored
Size190 MB1.4 GB
Age rating9++12
DeveloperWONDER GROUP HOLDINGS LIMITEDHaoPlay Limited

Customer experience

Office Grudge

All ratings4 ratings
Positive75.0%
Neutral0.0%
Negative25.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Castle Empire

All ratings3,544 ratings
Positive92.5%
Neutral4.5%
Negative3.0%
Written reviews143 reviews
Positive36.4%
Neutral12.6%
Negative51.0%

Bugs and requests

Office Grudge

Not enough reviews yet to summarise bugs or requests.

Castle Empire

Reported bugs

3 issues
  • Game freezes during major battles
  • Login issues and loading problems
  • Compatibility issues on older devices

Requested features

3 requests
  • Skip tutorial option
  • PvE-only game mode
  • More variety in gameplay and content

In-app purchases

None

Office Grudge

No in-app purchases

10 purchases

Castle Empire

One-time10
  • Daily Special I$0.99
  • Activity Pack I$0.99
  • Daily Special II$1.99
Show 7 more
  • Daily Special III$2.99
  • Activity Pack II$4.99
  • Daily Special IV$4.99
  • Activity Pack III$9.99
  • Activity Pack IV$19.99
  • Activity Pack V$49.99
  • Activity Pack VI$99.99

Questions

Is Office Grudge free?
Office Grudge is free to download, with no in-app purchases.
Is Castle Empire free?
Castle Empire is free to download, with in-app purchases available.
Which has better reviews, Office Grudge or Castle Empire?
Castle Empire is rated higher. Office Grudge averages 4.0 out of 5 from 4 ratings, while Castle Empire averages 4.7 from 3.5K ratings.
Do Office Grudge or Castle Empire have ads?
Office Grudge shows ads; Castle Empire does not.
Which is updated more often, Office Grudge or Castle Empire?
Office Grudge ships an update every 3 months, and Castle Empire fortnightly. Most recently, Office Grudge was updated on November 3, 2026 and Castle Empire on November 7, 2026.

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