Merge Puzzle Game vs Stack Attack
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Merge Puzzle Game
This is a relaxing puzzle game where you merge numbered blocks to create higher numbers. Train your brain with addictive gameplay and a simple, beautiful design. Enjoy an infinite mode with no time limits and helpful boosters.
- Merge numbered blocks
- Train your brain
- Infinite mode
- No timer
- Amazing boosters
- Simple, beautiful design
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Merge, stack, and build bigger numbers in M2 Blocks, a number puzzle with its own upward-stacking gameplay and satisfying chain merges. Send number blocks upward and stack them vertically on the board. When matching blocks meet, they merge into a higher value - and the right placement can set off multiple merges in a row. Keep building bigger numbers, create longer merge chains, and see if you can eventually discover the hidden Infinity block. Easy to pick up but full of possibilities, M2 Blocks is all about choosing the right position for every block. There is no time limit, so you can plan each move and play at your own pace. Highlights - Unique vertical stacking gameplay Place number blocks upward and build your stacks vertically, creating new opportunities with every move. - Satisfying chain merges Matching blocks can trigger consecutive merges, turning one well-planned move into a much bigger combination. - Keep building higher numbers There is always another number to reach. Keep merging, keep stacking, and work your way toward the hidden Infinity block. - Play at your own pace No timer or time pressure. Take your time and decide where your next block should go. - Helpful boosters When the board becomes tricky, use boosters to create new possibilities and keep your run going. Make the Game Your Own Choose from different avatars, block colors, and backgrounds to personalize your game. New visual content and special seasonal designs are also introduced over time. More Ways to Play Explore additional number puzzle modes, including Classic 2048, Number Drop, and Cross Math. Switch between different challenges whenever you want, with your progress saved along the way. Achievements & Rankings Complete Game Center achievements as you reach new puzzle milestones, and follow your position on global and country leaderboards as you aim for higher scores. M2 Blocks is designed for smooth play on iOS, with responsive interactions and haptic feedback that make every placement and merge feel more satisfying. How to Play - Send a number block upward into the position you choose. - Stack blocks vertically and connect matching values. - Merge matching blocks to create higher numbers. - Look for opportunities to trigger consecutive merges. - Keep building your stacks and see how high you can go. - Use boosters when you need more options. Every block creates a new decision. Find the right position, build your chain, and keep the numbers growing. Terms of Service: https://m2blocks.gurugame.ai/termsofservice.html Privacy Policy: https://m2blocks.gurugame.ai/policy.html
Stack Attack
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Stack Attack is a fast and addictive block puzzle game where you stack blocks, clear rows, and survive as long as you can. Easy to play. Hard to master. Impossible to put down. Move falling blocks, build complete rows, and clear them before the screen fills up. The longer you survive, the faster the game becomes. Why you’ll keep playing: • Simple and satisfying block puzzle gameplay • Fast-paced arcade action • Clear rows and build combos • Beat your high score every run • Quick sessions, play anytime Game modes: • Classic – pure stacking challenge • Survival – one life, no mistakes • Speed Run – 90 seconds of pressure • Zen – relaxed, no stress • Daily Challenge – new goal every day Unlock and progress: • Earn coins during gameplay • Complete daily challenges • Unlock skins and box styles • Track your progress and improve Retro-style visuals, smooth controls, and satisfying effects make every run fun and engaging. Play now and see how long you can survive. Questions or feedback? Contact us at: universal.soft.inc@gmail.com
Screenshots
Verdict
The clearest difference is in-app purchases: Stack Attack at none against Merge Puzzle Game's 12. Stack Attack also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement 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. Merge Puzzle Game sells 12 in-app purchases, starting at $4.99 per 7 days. Stack Attack asks for nothing beyond the download.
Merge Puzzle Game ships an update monthly, Stack Attack every 4 weeks. The most recent releases landed on September 24, 2026 and May 16, 2026 respectively.
| Parameter | Merge Puzzle Game | Stack Attack |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (16K ratings) — better | — |
| Positive reviews | 51.3% of reviews | — |
| Number of ratings | 16K — better | — |
| Update frequency | Monthly | Every 4 weeks — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 13.0 | 13.0 |
| Further details — not scored | ||
| Size | 172 MB | 39 MB |
| Age rating | 4+ | 4+ |
| Developer | Guru Smart Holding Limited | Mikhail Razin |
Bugs and requests
Merge Puzzle Game
Reported bugs
2 issues- Ads cause game to crash or freeze
- Ads randomly interrupt Spotify music playback
Requested features
3 requests- Reduce frequency and duration of ads
- Offer ad-free premium version
- Add option to track high scores
Stack Attack
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Merge Puzzle Game
- M2 Blocks Weekly Premium3 Days trial$4.997 Days
- XS GEM PACK$0.99
- M GEM SALE$1.99
- Beginner Package$1.99
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- S GEM PACK$2.99
- L GEM SALE$3.99
- M GEM PACK$4.99
- Remove Ads$6.99
- Gem Boost$7.99
- L GEM PACK$9.99
- XL GEM PACK$24.99
- XXL GEM PACK$49.99
Stack Attack
No in-app purchases
Questions
Is Merge Puzzle Game free?
Is Stack Attack free?
Do Merge Puzzle Game or Stack Attack have ads?
Which is updated more often, Merge Puzzle Game or Stack Attack?
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