Foundry Tips #04 — Find What’s Breaking Your Game 🔍
Broken interactions? Endless loading screens? Strange issues after a game update?
A mod may be causing the problem—but you don’t need to test every file individually. Try the 50/50 Method.
🔍 How It Works
Temporarily remove about half of your mods.
Launch the game and test the issue again.
If the problem remains, the broken mod is probably in the half still installed.
If the problem disappears, it’s probably in the half you removed.
Split the suspicious group in half again and repeat.
50% → 25% → 12.5% → 6.25% → 🔎 Found it
This method can quickly narrow hundreds of files down to the one causing trouble.
⚠️ Protect Your Saves
Be careful when loading saves with mods temporarily removed. Whenever possible, troubleshoot using a separate test save—especially with mods or custom content that affect Sims, objects, traits, careers, or gameplay systems.
🔨 From the Foundry
The 50/50 Method helps determine whether an issue comes from the game, a broken mod, or a conflict between multiple mods.
Finding the problematic file is the first step.
Understanding why it broke is the next. 🔧
Have you ever found a broken mod using the 50/50 Method?
Crafting better games, one mod at a time.
🔨 More guides: Browse the Foundry Tips Index →
