Uploaded June 2020 | Updated September 2026, 2 weeks ago

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UPDATE (2026): This video contains out of date information. There is a new version of this video here: youtu.be/0Co3uoeK_-w?si=npT0YnHIk_zpxhoi

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SimCity 4 remains one of the best city simulation games out there, but the vanilla game by Maxis/EA is full of bugs. These 8 mods, tools and bugfixes will allow you to make your game more stable, fix the most glaring issues and unlock new features.

Intro 00:00
#1 Network Addon Mod (NAM) + 4GB Patch 00:54
#2 SC4 Fix 06:38
#3 Launch options 08:29
#4 Save Warning 10:37
#5 Karen's Replicator 13:34
#6 I-HT Fix 15:42
#7 Opera House Fix 17:57
#8 BSC Functional Seaports 19:38

LINKS

1. NAM (NEW LINK!)
community.simtropolis.com/files/file/26793-network-addon-mod-nam-cross-platform

2. SC4 Fix
community.simtropolis.com/files/file/30883-sc4fix-third-party-patches-for-sc4

3. Copy this into your Steam Launch Options:
-CustomResolution:enabled -r1920x1080x32 -intro:off -CPUCount:1

alternatively, you can use the SC4 Launcher: community.simtropolis.com/files/file/28544-sc4-launcher

4. Save Warning
community.simtropolis.com/files/file/32812-save-warning

5. Karen's Replicator
karenware.com/powertools/karens-replicator-backup-utility

6. I-HT Fix
community.simtropolis.com/files/file/22771-ih-missing-jobs-fix-update

7. Opera House Fix
community.simtropolis.com/files/file/21342-opera-house-fix

8. BSC Functional Seaports
Download here: sc4devotion.com/csxlex/lex_filedesc.php?lotGET=1663
Read this post if you want to avoid downloading tons of dependencies:
sc4devotion.com/forums/index.php?topic=14336.0