Comparison

Monsters Project vs Backrooms Union Multiplayer

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

Head to head
About

Monsters Project

Explore a mysterious world filled with unique abilities, challenging levels, and hidden secrets. Discover potions and avatars as you navigate this strange new place. This game offers a unique experience with mini-games and a focus on exploration.

Highlights
  • 3 Unique Abilities
  • 8+ Levels
  • 14 Potions
  • 13 Avatars
  • Mini-Games
  • Exploration
Features
Read full description

MONSTERS Discover the world of Monsters. It is the world we hide from our children. But they know it's there... MONSTERS, by Dana Hocking and Josh Funk, is a rare peek into a different world. You are free to explore this strange new place, but do so carefully. Once you know, you can't unknow. Featuring: - 3 Unique Abilities - 8+ Levels - 14 Potions - 13 Avatars - Mini-Games - Absolutely No Secrets (you wouldn't want to cheat and UNLOCKEVERYTHING, would you?)

About

Backrooms Union Multiplayer

Explore the eerie, maze-like dimensions of the Backrooms with friends or solo. Scavenge for resources, survive lurking horrors, and uncover the mysterious purpose of the Union. Each level offers new challenges, traps, and unpredictable encounters.

Highlights
  • Multiplayer co-op exploration
  • Scavenge for critical scraps
  • Survive lurking horrors and monsters
  • Explore maze-like dimensions
  • Uncover Union's secrets
  • Unpredictable challenges and traps
Features
Read full description

Step into the eerie world of Backrooms Union Multiplayer, a unique multiplayer horror game that immerses you in the spine-chilling, maze-like dimensions of the Backrooms. As part of the Union, you and your team are tasked with exploring these endless, shifting corridors, scavenging for critical scraps, and surviving the lurking horrors. Whether you choose to go solo or collaborate with friends, every decision matters as you delve deeper into the unknown. Each level of the Backrooms presents a fresh challenge. Maze-like environments keep you disoriented, while deadly traps and relentless monsters test your courage and strategy. The Backrooms are unpredictable, with surprises hiding around every corner, ensuring no two experiences are alike. Every level is a new test of survival, with sinister entities and hidden mysteries waiting to be uncovered. In Backrooms Union Multiplayer, your mission goes beyond mere survival. The Union’s true purpose remains shrouded in mystery. Why are you sent into these terrifying realms? What secrets is the Union hiding? As you gather scraps and uncover fragments of information, you’ll piece together the chilling truth behind the organization and their connection to the Backrooms. This game combines the heart-pounding tension of survival horror with co-op multiplayer. Whether you're working with your team to evade monsters or navigating solo through the darkness, Backrooms Union Multiplayer promises a thrilling and unpredictable experience. Inspired by the mysteries of the Backrooms and creepypasta lore, it offers a rich, suspenseful adventure for horror fans. Surprises and challenges await at every turn. Will you and your team uncover the truth and make it out alive, or will the Backrooms claim you? Test your courage, wit, and teamwork in Backrooms Union Multiplayer—a horror experience like no other

Screenshots

Monsters Project4 screens
Backrooms Union Multiplayer4 screens

Verdict

The call

The clearest difference is review sentiment: Monsters Project at 100% against Backrooms Union Multiplayer's 50%. Monsters Project also leads on in-app purchases (none vs 8) and ads (none vs shown). Backrooms Union Multiplayer's advantage is update cadence (every 3 weeks vs every 93 months) and ratings volume (3.4K vs 13). 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. Backrooms Union Multiplayer sells 8 one-off in-app purchases. Monsters Project asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Monsters Project holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Backrooms Union Multiplayer has 3.4K ratings behind it against 13, so its average is the more settled of the two. Written reviews point the same way: 100% of Monsters Project's written reviews are positive against 50% of Backrooms Union Multiplayer's.

UpkeepUpdate frequency

Monsters Project ships an update every 93 months, Backrooms Union Multiplayer every 3 weeks. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

Scorecard8 real differences · 2 level
Monsters Project versus Backrooms Union Multiplayer: the parameters behind the verdict, then further details
ParameterMonsters ProjectBackrooms Union Multiplayer
PriceFreeFree
Rating5.0 (13 ratings) — better4.6 (3.4K ratings)
Positive reviews100.0% of reviews — better49.7% of reviews
Number of ratings133.4K — better
Update frequencyEvery 93 monthsEvery 3 weeks — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 — better15.0
Further details — not scored
Size65 MB281 MB
Age rating9+12+
DeveloperDana HockingPedro Crispim

Customer experience

Monsters Project

All ratings11 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews7 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Backrooms Union Multiplayer

All ratings3,058 ratings
Positive90.1%
Neutral3.3%
Negative6.6%
Written reviews185 reviews
Positive49.7%
Neutral12.4%
Negative37.8%

Bugs and requests

Monsters Project

Not enough reviews yet to summarise bugs or requests.

Backrooms Union Multiplayer

Reported bugs

4 issues
  • Items phasing through the ground
  • Multiplayer not working
  • Ads breaking game audio
  • Portal being busy even when closed

Requested features

4 requests
  • Add ability to kill monsters with bats
  • Improve multiplayer functionality
  • Reduce number of ads
  • Add more level varieties, entities, and rooms

In-app purchases

None

Monsters Project

No in-app purchases

8 purchases

Backrooms Union Multiplayer

One-time8
  • Gold 1$0.99
  • Gold 2$1.99
  • Gold 3$3.99
Show 5 more
  • Starter Pack$4.99
  • Remove Ads$4.99
  • Gold 4$7.99
  • Gold 5$24.99
  • Gold 6$49.99

Questions

Is Monsters Project free?
Monsters Project is free to download, with no in-app purchases.
Is Backrooms Union Multiplayer free?
Backrooms Union Multiplayer is free to download, with in-app purchases available.
Which has better reviews, Monsters Project or Backrooms Union Multiplayer?
Monsters Project is rated higher. Monsters Project averages 5.0 out of 5 from 13 ratings, while Backrooms Union Multiplayer averages 4.6 from 3.4K ratings.
Do Monsters Project or Backrooms Union Multiplayer have ads?
Backrooms Union Multiplayer shows ads; Monsters Project does not.
Which is updated more often, Monsters Project or Backrooms Union Multiplayer?
Monsters Project ships an update every 93 months, and Backrooms Union Multiplayer every 3 weeks. Most recently, Monsters Project was updated on October 24, 2026 and Backrooms Union Multiplayer on October 28, 2026.

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