This guide is for educational purposes only. Modifying game data may violate the game's terms of service and could lead to account bans. Proceed at your own risk, and ensure you have a backup of your game data.

Gold Modification: 

Step 1 Enter Gun Selection: 

Open Modern Warfare Action Games 3D, go to the shop, and access the gun selection screen.

Step 2 Choose Expensive Weapon: 

Select the weapon with the highest gold cost, such as the RPG priced at 80000 gold.

Step 3 Search Gold Price: 

Launch GameGuardian, start a new search, and enter 80000 as the value with Dword type.

Step 4 Modify or Refine Results: 

If few results appear, modify all to a negative number like -99999999. If many results appear, use incremental modification by adding 1 to all results.

Step 5 Verify Price Change: 

Return to the game, check if the RPG price increased to 80001, and select the matching addresses in GameGuardian.

Step 6 Set Negative Value: 

Modify the selected addresses to -99999999 or 0 (for free purchase) to increase gold when buying the weapon.

Step 7 Confirm Gold Increase: 

Purchase the weapon in the game and verify that your gold increases.

Health Modification: 

Step 1 Start a Battle: 

Enter a battle in the game to engage with enemies.

Step 2 Search Unknown Value: 

Pause the game, open GameGuardian, and start an unknown search with Float type.

Step 3 Reduce Health: 

Resume the game, let an enemy attack to lower your HP, then pause again.

Step 4 Refine Decreased Value: 

In GameGuardian, select "Decreased" to filter results based on the reduced HP.

Step 5 Repeat Refinement: 

Repeat steps 3-4 until few results remain, ideally under 10.

Step 6 Modify Health Value: 

Change the remaining results to a high value like 999999 or lock the value for invincibility.

Step 7 Confirm Health Change: 

Resume the game and verify that your character has increased HP or is invincible.

Tips:

1. Backup Your Data: Save your game progress before modifying to avoid losing your account.

2. Choose High-Value Items: Selecting expensive weapons like the RPG reduces search results for gold modification.

3. Refine Carefully: For health, repeat damage and refinement steps to isolate the correct HP address.

4. Test Safely: Practice on a secondary account to protect your main progress.

Hacking might break game rules or risk your account—use it carefully!