How to Hack Merge Master: Dinosaur Monster

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Merge Master: Dinosaur Monster is Homa's merge-and-fight game, past 100 million downloads on Google Play. It doesn't use PlayerPrefs for its coins: they sit in SaveFile.es3, an Easy Save 3 file, which is plain JSON where every value comes wrapped with its type. The coins are called Gold. I had 12 and made it 999,999.

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1. 1

   Open CheatDroid, allow root, and tap Merge Master in the app list.

2. 2

   Tap the search icon and type SaveFile. Tap SaveFile.es3 under Files.

   

3. 3

   The file opens in the text editor, and the strip above it says JSON, 30 fields. If CheatDroid says the game is running, tap Force stop, then Edit as fields.

   

4. 4

   Type Gold into Filter fields, change it to 999999 and tap Save.

   

5. 5

   Start Merge Master again. The coin counter at the top right shows 999K.

What else I found

• It sticks: the next fight paid on top, and a restart kept it. Big amounts show as 1000K.
• Gems are in the same file.
• Needs CheatDroid 4.1 or newer for Edit as fields.
• Tested on version 3.50.4.

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Made a game that saves like this? Here’s how to make an edited save fail its check.