About This Mod

Costume Party Tweak is a gameplay mod designed to expand the outfits Sims can wear at costume and spooky parties. It adds toddler costumes, the yeti/bigfoot outfit, and costumes from Get Famous to the party clothing options. This ensures all Sims that attend your spooky party are dressed for the occasion. If you regularly host Halloween parties and want more variety in your guest outfits, you need this mod. It updates the existing party outfit selections, so you can use it during your usual celebrations.

How to Install

Follow these steps to install Costume Party Tweak on your Sims 4 game:

1
Download the mod file from the link above. Sims 4 mods typically come as .package or .ts4script files.
2
Open your Sims 4 Mods folder. The default location is: Documents/Electronic Arts/The Sims 4/Mods
3
Place the downloaded file directly into the Mods folder. You can organize mods into subfolders up to one level deep.
4
Launch The Sims 4 and go to Game Options > Other. Make sure "Enable Custom Content and Mods" is checked.
5
Restart the game if it was already running. The mod should now appear in your game.

Important: Always back up your save files before installing new mods. After Sims 4 updates, mods may need to be re-downloaded or updated by the creator.

Compatibility

Platform

The Sims 4 (PC/Mac)

Requirements

•Custom Content and Mods must be enabled in Game Options > Other
•Script mods (.ts4script files) require "Script Mods Allowed" to be enabled separately
•After each Sims 4 game update, some mods may need to be updated by the creator

Pro tip: If a mod stops working after a game update, check the creator's page for an updated version. Broken mods can cause the game to behave unexpectedly.