Counter Strike Sourceexe [SAFE]

As a legacy title, the executable is lightweight by modern standards:

Counter-Strike: Source is a tactical first-person shooter developed by Valve Corporation. Released in 2004, it is a remake of the original Counter-Strike, which was a mod for Half-Life. Counter-Strike: Source brings the same competitive gameplay and strategy that made its predecessor a classic, but with updated graphics and mechanics powered by the Source engine. counter strike sourceexe

If you fix the audio, kill the overlay, and turn off multicore rendering, you will likely get a stable experience. But remember: part of the CS:S charm is the jank. Every time that .exe crashes, a GoldSrc veteran gets their wings. As a legacy title, the executable is lightweight