Some apps are distributed as Split APKs (multiple .apk files packaged together) to optimize resources. Standard Android installers cannot open them.
🧩 Sum em up! – A Smart Number Merge Puzzle
Sum em up! is a fast-paced number merge puzzle game where every move matters.
Drag and merge matching number tiles to reach the target — but be careful.
The board keeps pushing upward, and one wrong decision can end the game instantly.
It is a skill-based puzzle built for players who enjoy thinking ahead.
🔢 How the Game Works
• Drag and drop tiles freely with precise touch controls
• Merge identical numbers to create higher values
• Reach the target number to win the level
• New rows rise constantly, increasing pressure
The rules are simple.
Survival is not.
⏱️ What Makes Sum em up! Different
🧠 Skill Over Luck
• There is no auto-merge or idle progression.
• Every merge is intentional and earned through smart positioning.
🔗 Chain Merges & Rewards
• Well-planned moves can trigger chain merges, creating satisfying effects and rewarding you with coins.
❄️ Tactical Power-Ups
Use power-ups wisely when the board gets tight:
• Freeze time to stop the board temporarily
• Shuffle tiles to escape bad layouts
Power-ups are limited, timing matters.
📱 Designed for Mobile Play
• Smooth and responsive drag controls
• Optimized for one-handed play
• Clean UI designed for phones and tablets
Easy to learn in seconds.
Hard to master for hours.
🎯 Who Is This Game For?
• Players who enjoy number puzzles
• Fans of merge puzzle games
• Anyone looking for a strategic casual game
• Puzzle lovers who prefer skill over luck
✅ Download and Play
If you enjoy number merge puzzles that challenge your thinking and reward smart decisions, Sum em up! is ready for you.
Can you keep the board under control?
com.hownext.sumemup on the APK Downloader.Yes! Every APK download provided by APKDER undergoes rigorous security verification. We verify that the cryptographic signature of the APK file matches the official signature from the developer, ensuring the APK is original, untouched, and free from any modifications.
To install it, you first need to enable "Unknown Sources" in your Android device's security settings. After downloading the APK file from APKDER, tap it to begin the installation and follow the on-screen prompts.
Yes! As soon as the developer releases a new version of Sum em Up!, we will update and provide the updated APK on APKDER. You can simply download and install the new APK over the existing installation without losing your app data.
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A standard APK is a single installation package. An XAPK or Split APK contains multiple resource files (like OBB expansions or device-specific layout parts) packaged together. To install them, you can download splits individually or use dynamic helper tools like Split APKs Installer (SAI).
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