100 Doors Escape Game vs Zero Sum
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
100 Doors Escape Game
Embark on a brain-teasing challenge to unlock over 100 doors in a school setting. Find hidden objects, solve intricate puzzles, and utilize cool mechanics to help Mya escape. This free game offers logical tasks and engaging levels with hints available.
- Unlock 100+ doors
- Find hidden objects
- Solve intricate puzzles
- Utilize cool mechanics
- Hints available
- Multiple school rooms
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We dare you to take a new challenge: unlock 100 doors playing this school escape game! Find hidden objects, solve puzzles & escape room with brand new 100 Doors Games: Escape from School. The most exciting thing about this new hundred doors game challenge is that it’s a lot more than 100 levels and we are adding new ones regularly! 100 Doors Game is simple to play, but yet very complicated to beat! So, get some gain for your brain and have fun! Only the smartest people can beat this hundred doors game challenge. Are you one of them? Download this free school escape game and challenge others to see who's going to unlock all doors in 100 doors game! 100 DOORS GAMES: ESCAPE FROM SCHOOL – GAMEPLAY Here's the thing – Mya (you'll meet her) is locked up in a school (you'll discover why). The main objective in this hundred doors game challenge is to help her escape the room and find the exit so she can get home to her parents and her cozy bed. To unlock the door lock, you'll have to find hidden objects and solve some awesome puzzles using your device in all the ways you can possibly imagine. In order to escape school, you need to unlock more than 100 doors and escape the room. If you can't make it by yourself, we got you – hints are very helpful and you can use them any time you want! 100 DOORS GAMES: ESCAPE FROM SCHOOL FEATURES: - Exciting puzzles with hidden objects and conundrums to solve; - Cool mechanics: move in time and space, combine objects, play brain games - Awesome levels with cool animations; - Lucky spin to get FREE HINTS - Logical tasks; - Amazing graphics with special attention to details - Simple to play, complicated to beat - Different rooms - art, chemistry, music & history classrooms, library, gym, cafeteria... - Takes up almost no memory on your device - It's absolutely FREE! Each new level of 100 Doors Games: Escape from School is a unique puzzle, and they become more complicated as you make progress. 100 Doors Games: Escape from School is one of those brain-teasing, challenging room escape games you don't want to miss out on. Install now and try to unlock more than one hundred doors! Developed by Peaksel.
Zero Sum
A puzzle game where players merge numbered tiles to clear the board and reach zero. Strategic merging of positive, negative, and multiplier tiles presents increasingly difficult challenges.
- Merge numbered tiles
- Clear the board
- Reach zero score
- Interact with positive, negative, and multiplier tiles
- Solve challenging boards
- Unlockable cases
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Merge numbered tiles, clear the board, and reach zero. Zero Sum is a puzzle game where every move combines adjacent tiles, changing the board as positives, negatives, and multipliers interact. Plan each merge carefully, find the right sequence, and solve increasingly challenging boards across a series of unlockable cases.
Screenshots
Verdict
The clearest difference is review sentiment: Zero Sum at 100% against 100 Doors Escape Game's 49%. Zero Sum also leads on update cadence (every 3 days vs every 6 weeks). On price, ads, in-app purchases and monetization model 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
Both are free to download. 100 Doors Escape Game sells 10 one-off in-app purchases and Zero Sum sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
100 Doors Escape Game ships an update every 6 weeks, Zero Sum every 3 days. The most recent releases landed on October 24, 2026 and October 9, 2026 respectively.
| Parameter | 100 Doors Escape Game | Zero Sum |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (7.4K ratings) — better | — |
| Positive reviews | 48.9% of reviews | 100.0% of reviews — better |
| Number of ratings | 7.4K — better | — |
| Update frequency | Every 6 weeks | Every 3 days — better |
| Ads | Yes | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 238 MB | 23 MB |
| Age rating | 4+ | 9+ |
| Developer | Peaksel | Mathew DeLong |
Customer experience
100 Doors Escape Game
Zero Sum
Bugs and requests
100 Doors Escape Game
Reported bugs
4 issues- Level 93 resets to 15 apples
- Level 52 and 133 have incorrect information
- Chalk not working on level 72
- Levels not loading properly
Requested features
4 requests- More challenging levels
- Improved object interaction
- Better audio support
- Fix level progression issues
Zero Sum
Not enough reviews yet to summarise bugs or requests.
In-app purchases
100 Doors Escape Game
- 3000 coins$1.99
- Remove Ads$1.99
- 8500 coins$3.99
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- 3000 coins$3.99
- 3000 coins$4.99
- 8500 coins$4.99
- Starter pack$4.99
- 8500 coins$9.99
- 20000 coins$9.99
- 20000 coins$19.99
Zero Sum
- Remove Ads$4.99
Questions
Is 100 Doors Escape Game free?
Is Zero Sum free?
Do 100 Doors Escape Game or Zero Sum have ads?
Which is updated more often, 100 Doors Escape Game or Zero Sum?
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