This cheat is based of ImGuiExternal which is the overlay part of the program.
Also i only use RPM so i don't write anything to the game, i still open a handle and ReadProcessMemory but it's fine for CS:S ig.
The code isn't very good nor optimized but at least i have the good offsets.

Features

Ally/Enemy ESP
Skeleton ESP
Box ESP
Healthbar
Name ESP
Crosshair

Usage

Compile in x64 Release mode.
Start the game then launch the cheat.
Press INSERT to open the menu.
Press DELETE or "unhook" in the menu to unload the cheat.
As i use an overlay you can easily stream your game with obs/discord without anyone seeing the ESP.

Screenshots

ESP :

Menu :

Known issues

Performances can be better
The ESP has a bit of latency
Skeleton ESP can be buggy in some frames for some reasons