Click any links below to my other collection:
Black Mesa Collection - https://steamhost.cn/steamcommunity_com/sharedfiles/filedetails/?id=1387753772

Killing Floor 2 Collection - https://steamhost.cn/steamcommunity_com/workshop/filedetails/?id=1747250460

Wallpaper Engine Collection - https://steamhost.cn/steamcommunity_com/sharedfiles/filedetails/?id=1476139642

Counter-Strike: Global Offensive Collection - https://steamhost.cn/steamcommunity_com/sharedfiles/filedetails/?id=1407055011

REMEMBER:
1. If you download any map mods from L4D2, you have to do the following things because there are possibilities that your game to crash or freeze. Therefore, you three options to do:
- Disable all addon mods
- Disable all RNG mods in your addon
- Disable incompatible/unsupported mods

2. If you plan to organize your mods, you have to edit addonlist which is located in l4d2 directory. Then open it in notepad++ and organize it according to your preferences

3. It is very important to READ ALL INSTRUCTIONS BEFORE SUBSCRIBING MODS

4. After subscribing mods, wait to download it on steam to avoid corrupt, etc.

5. If the mods have a new updates, ALWAYS UPDATE YOUR SUBSCRIBED MODS BY RESUBSCRIBE IT AGAIN

6. After everything are done, ALWAYS BACKUP YOUR FILES

Mods/addons problems on default campaign:
1. They "DON'T READ INSTRUCTIONS CAREFULLY"
2. Mods/Addons are not organize in load order
3. Not compatible mods
4. Some mod requires "MAIN/BASE MOD" to work
5. Some mod requires "PARTS" to work
6. Some mods have "THUMB.DB" and "SOUND.CACHE" inside the VPK so check it out first!!! (ignore them because they'll not affect the gameplay)
7. Sometimes you have to do on your own according to your preferences to compile and recompile files from the mod that you subscribe and download by using GCFScape