Comparison

Slimeblock.io vs Merg

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

Head to head
About

Slimeblock.io

Control a slime block in a 3D world, absorbing everything to grow bigger and stronger. Compete against other players, devour opponents, and climb the leaderboards to become the ultimate super slime. Enjoy colorful graphics, intuitive controls, and exciting power-ups.

Highlights
  • 3D .io gameplay
  • Absorb objects and opponents
  • Grow bigger and stronger
  • Global leaderboards
  • Cool slime skins & customization
  • Exciting power-ups
Features
Read full description

Slimeblock.io is an exciting 3D .io game where you control a slime block, absorbing everything in your path to grow bigger and stronger! Compete against other slimes, devour your opponents, and climb to the top of the leaderboard to become the ultimate super slime! You’ll start as a small slime block in a world full of competitors. Your goal? Grow as fast as possible before larger slimes consume you! The bigger you get, the more powerful you become—swallow everything in sight and dominate the game! Easy Controls – Simply tap and slide your finger to move your slime in any direction. Survival of the Biggest – Absorb opponents and objects to increase your size and rank. Strategic Gameplay – Use power-ups and tactics to outmaneuver enemies and claim victory! Game Features: - Colorful blocky 3D graphics - Smooth and intuitive controls - Cool slime skins & customization - Unique maps and environments - Exciting power-ups to boost your gameplay - Global leaderboards – Can you reach #1? Get ready for addictive, fast-paced gameplay where you won’t be able to stop growing! Become a massive slime monster, consume everything in your way, and dominate the world! Download Slimeblock.io now and start your journey to slime supremacy!

About

Merg

Grow by consuming smaller entities and strategically splitting to evade or pursue. Engage in various game modes, customize your appearance, and compete in ranked seasons. Play with friends online or locally.

Highlights
  • Eat smaller entities to grow
  • Split and merge mechanics
  • Multiple game modes (Classic, Teams, Survival, Soccer)
  • Competitive seasons with ranked play
  • Online and LAN multiplayer
  • Extensive customization options
  • Progressive XP and leaderboard system
Features
Read full description

CORE GAMEPLAY - Eat smaller entities to grow bigger. - Split into multiple pieces to chase prey or dodge danger, then merge back together. - Shoot holes at bigger attackers to pop them into many pieces and chip at them. MANY GAME MODES - Classic: open arena, eat or be eaten. - Teams: coordinate with allies and devour the other teams. - Survival: last blob standing wins. - Team Survival: last team standing wins. - Knockout: smallest players are eliminated every set interval, last player standing wins. - Adventure: team up with friends and progress through a variety of different stages with 4 difficulty levels. - Soccer: capture the ball and score in the opponent's net. - Competitive: ranked 1v1 against opponents of similar skill. COMPETITIVE SEASONS - Climb the ranks through skill-based matchmaking. - Every season, the top 100 players earn huge rewards! - Browse your full competitive history and past-season leaderboards any time. ONLINE & SOCIAL - Play over LAN for low latency local matches with your custom room setup. - One-tap PLAY ONLINE drops you into a public room of your chosen mode in seconds. - Create private rooms with your own rules: map size, max players, bots, mode modifiers, custom commands and more - Spectate any room silently, or queue up to join when a slot opens. - Live in-game chat, global chat rooms, and a full friends list with online status. HUGE CUSTOMIZATION - 60+ skins, plus the ability to upload your own custom skins. - Name colors, gradient name colors (up to three colors), and custom name fonts. - Profile tags, profile backgrounds, and rank badges visible to everyone you play with. PROGRESSION - Earn XP and Voidstones in every mode. - Climb XP and per-mode leaderboards filtered by daily, weekly, monthly, or all-time. - Watch ads for bonus Voidstones! MODE MODIFIERS These modifiers can be toggled for any mode when creating a custom game. - Quick Merge: pieces merge back together immediately after splitting. - Relax: human players can't kill each other, perfect for chill rooms. - Circle Map: round arena instead of square. - No holes: gets rid of all hole hazards in the game, perfect for testing new tricks, strategies or growing larger than the map! - Stack any combination of modifiers at your own free will. POLISH & QUALITY OF LIFE - Adaptive jitter buffer and per-tick interpolation keep gameplay smooth even on a slow connection or server overload. - Actively being translated by the community, more languages will be available soon. - Robust account recovery so you never lose your progress. - Free to play, with optional purchases.

Screenshots

Slimeblock.io4 screens
Merg1 screens

Verdict

The call

The clearest difference is in-app purchases: Merg at none against Slimeblock.io's 6. Slimeblock.io's advantage is ratings volume (40 vs 1) and iOS requirement (13.0 vs 16.0). On price, rating, update cadence and ads 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. Slimeblock.io sells 6 one-off in-app purchases. Merg asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Slimeblock.io against 5.0 for Merg. That said, the two scores are not equally well evidenced: Slimeblock.io has 40 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Slimeblock.io ships an update every 9 days, Merg weekly. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

Scorecard4 real differences · 6 level
Slimeblock.io versus Merg: the parameters behind the verdict, then further details
ParameterSlimeblock.ioMerg
PriceFreeFree
Rating5.0 (40 ratings)5.0 (1 ratings)
Positive reviews100.0% of reviews—
Number of ratings40 — better1
Update frequencyEvery 9 daysWeekly — better
AdsYesYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesAd-supported — better
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS13.0 — better16.0
Further details — not scored
Size124 MB130 MB
Age rating12+12+
DeveloperARAKUMA STUDIO S.A.Dennis Rzehaczek

Customer experience

Slimeblock.io

All ratings39 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews5 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Merg

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

6 purchases

Slimeblock.io

One-time6
  • 180 Gems$2.99
  • Premium Pass$4.99
  • 500 Gems$8.99
Show 3 more
  • 1200 Gems$19.99
  • 6500 Gems$39.99
  • 15000 Gems$99.99
None

Merg

No in-app purchases

Questions

Is Slimeblock.io free?
Slimeblock.io is free to download, with in-app purchases available.
Is Merg free?
Merg is free to download, with no in-app purchases.
Which has better reviews, Slimeblock.io or Merg?
Slimeblock.io and Merg are both rated 5.0 out of 5 on the App Store, from 40 and 1 ratings respectively.
Do Slimeblock.io or Merg have ads?
Both Slimeblock.io and Merg show ads.
Which is updated more often, Slimeblock.io or Merg?
Slimeblock.io ships an update every 9 days, and Merg weekly. Most recently, Slimeblock.io was updated on October 25, 2026 and Merg on October 28, 2026.

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