Simple and easy guide for grinding gems that you can use to upgrade your weapons.

1. Download the Workshop map Pallet Town by adding it to your list from the Workshop option in the Main menu.
2. Buy a turret from the item shop if you haven't already. requires level 19
3. Place a turret to the right side of the map where the zombies pile up
4. Place another turret near the grass and ammo box
5. Use pistol / uzi / shotgun to support your turrets
6. Collect dropped gems
7. Use gems to upgrade your weapons

Enjoy ^^ Will be updating this guide with pictures and strategies soon.