If the zombies stop spawning, you can quit and reload your autosave to start back at the last phase of the 'Defend Jill' encounter. However, the longer you farm them, the more likely they are to turn into Nemesis Head zombies when they make it over the barrier. Combine this with an infinite ammo weapon/assault medallions to easily complete the zombie killing records. Waves of zombies will continue to spawn three or so at a time and crawl over the pallets. Once you have cleared out the room and Tyrell wants you to use the detonator, do not use it. Reach the 'Defend Jill' section of Carlos' segments.

Then, complete the 'Records' by farming weapon kills from reloading the last save to get lots of points. To get lots of points to purchase items from the in-game shop, first complete the game. Successfully complete the game on the Hardcore difficulty to unlock the Nightmare difficulty. Successfully complete the game on the Nightmare difficulty to unlock the Inferno difficulty. The Hip Pouches do not appear in the storage box - they appear next to it. They do not need to be done at the same time, but selecting half twice will not give you two. If you want both of an item, you have to do both options as they are unique. You cannot stack more than two coins/pouches. Note: The costumes do not work with this trick, as it is saved to your system save data file. Repeat this process as many times as desired.

Go to 'Settings' - 'Application Saves Data Management' - 'Saved Data' in Online Storage/USB for Resident Evil 3, and overwrite the system saved data in the System Storage with the data you either saved online or on the USB. The item will appear in your storage box. Go to 'Bonuses', then 'Shop', and buy any item(s) from the store that you can afford.

Choose 'Settings' - 'Application Saves Data Management' - 'Saved Data' in System Storage, and copy the save file for Resident Evil 3 that says 'system saved data' to either your Online Storage or USB, then start up the game.

Resident evil 3 remake walkthrough