Since there is no "magic code" for infinite gems, veteran players use these strategies to accumulate thousands of gems for free: Restore Data - Neo Monsters - ZigZaGame Forum
If you lost your code, email the developers at shopsupport@zigzagame.net or neomon.983143183@gmail.com.
The most interesting feature of Neo Monsters regarding gems is that there is for unlimited currency. However, the game utilizes Transfer Codes (often confused with restore codes).
: Recovering an account after a factory reset or app deletion.
