Customizable Exp Modifier
⚪ Last updated 2015⚠️ Install Order · 2 steps
Install in this order, then this mod last — most mods fail to load without their framework and dependencies in place.
Preview

🔍 Analysis
- 👍 2.7% endorsement rate — high engagement, a strong quality signal
- 🏆 #32 of 46 Skills and Leveling mods in this game by downloads
📋 About This Mod
- ---------------------------------
- Updated to v1. 1 due to a bug
- Updated to v2. 0 (06-11-2015):
- []Added the ingame menu. Therefore this version is requires the Custom Localization Fix mod by uacvax. Installation changed!
- []Added the option of the enemy kill XP reward modification based on difficulty (unique slider for all difficulties)
- ---------------------------------
- Installation:
- 0. Install the Custom Localization Fix mod by uacvax.
- 1. Use NMM for the main file. Install/Enable the mod with NMM
- 2. Download the optional file (modEXPCustomizer_menu) and unpack it to your Witcher 3 install folder. The modEXPCustomizer_menu.xml file should be in the <Your Witcher install dir>\bin\config\r4game\user_config_matrix\pc folder
- 3. After installation of the mod you have to setup the variables in the ingame menu (menu screen/mods/Customizable...).
- For every customizable option there is a Preset named Original settings. Press it and you will get the Vanilla settings
- If somebody knows how to edit/set the ingame menu default values please inform me for update the mod.
This mod allows you to modify the Vanilla XP modifier calculation for Quest rewards and from v2. 1 you can alter enemy kills too. (I know there is a lot of mods like this, but there is some more later :) )
You can modify variables for the Vanilla value of:
- []Grey Quest modifier []Level diff limit for grey quests []Finished main game exp modifier []Exp modifier if the calculated modifier is 0 []Exp modifier for Easy/Normal difficulty []Exp modifier for Hard difficulty []Exp modifier for Hardcore difficulty []Level difference based Exp modifier for EP1 []Experience modifier maximum for EP1
You can also enable or disable the XP reward modification for Enemy kills
- []Unique slider for all difficulties
Customizable Exp Modifier lets you tweak the vanilla experience modifier and introduces a new bonus/malus reward system, now with an in-game menu. Ideal for players who want finer control over leveling pace, though it hasn't been updated since 2015.
✨ Key Features
📊 Pros & Cons
✅ Pros
- Community-trusted with 230 endorsements and over 8.5k downloads
- In-game menu means no fiddling with config files
- Bonus/malus system adds depth to leveling
⚠️ Cons
- Last updated in 2015—may not work with current game versions
- Limited to experience tweaks; no other features
For players who want to fine-tune how fast they level up, especially those who find the default curve too slow or too fast. If you're after a simple, menu-driven way to adjust XP gain, this is for you. Skip if you want modern updates or broader gameplay changes.
💡 Beginner Tips
- Check if your game version is compatible, since the mod is from 2015.
- Use the in-game menu to test different XP rates without restarting.
- If you're using other leveling mods, test for conflicts.
📊 Mod Details
- Game
- Witcher 3 Mods
- Author
- tbellovics
- Version
- 2.1
- Downloads
- 8,568
- Endorsements
- 230
- Category
- Skills and Leveling
- Created
- 10/27/2015
- Updated
- 11/8/2015
🔧 How to Install Witcher 3 Mods
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