Spawn Platforms Deluxe
Attention: Much of this plugin is Lexi’s work, I have only added new features to improve her work, please support her work with a like!
NPC Spawn Platform by Lexi
Since the original author has no intentions to continue improving these platforms, I have expanded this addon with new functionalities and adapted it to be compatible and to be able to use all the variants available in the "NPC Variants" addon.
The new features are:
*Added lock radius functionality, so that the platform will not spawn NPCs until there is a free spot, preventing NPCs from getting stuck
*Platforms can now be hidden from the tool menu, before being created
*Squads are not a limited number now, you can use any word to name your own squads
*Now NPCs can spawn with a name. can be used with advanced TRATools to interact with other NPCs automatically.
*Now burrowed NPCs can spawn, like headcrabs and antlions (also tentables and other Half Life Resurgence and Renaissance npc coming soon)
*Platforms can now be set to not spawn npcs when any player is looking at the platform (like in Half Life 2)
*Platforms can now be set to not spawn npcs when any player has line of sight (LOS) to the platform
*Platforms can now randomly spawn all available variants in NPC Variants. These will be updated when more variants are added in NPC Variants.
(highly recommended along with NPC Variants)
Do you want to have a similar or more difficulty in gmod as you had in HL2, but are you too lazy to configure everything yourself? Here is a small file (Highly Improved) with all likely the proper HL2 settings like NPC HP, Weapons Damage, Explosions Damage, NPC’s Damage, etc… which will give your NPC’s a higher difficulty to balance fights between them!
Extract rar archive into your garrysmod folder (NOT IN ADDONS FOLDER)
Remember that you can always edit it as you wish if any of the values are not what you want.
HL2 SKILL OVERHAUL [drive.google.com]
In order to help you, you must comment all the details, all actions and steps you followed to be able to reproduce the error and also, if it is a lua error leave the error line. all this in the comments. If the information mentioned above is missing, you will be possibly ignored.

Dismemberment Gore Reconstructed
Immersive Battle Cleanup
HL2 Features
Universal Army Skins (7 hours war)
Advanced TRATools
NPC Variants
War Machines NPCs
Better Explosions Pack