Run hl2.exe once. The game defaults to 800x600 with no AA. Set your resolution and enable “Raw Mouse Input” – otherwise, the mouse will feel floaty.
WON2 was a community‑run network for the original Half‑Life (GoldSrc engine) and its mods, not for Half‑Life 2 or the Source engine. It allowed players to play old GoldSrc games without Steam, but it never supported Source games. Half-Life 2 3in1 Multilanguage -No-Steam-
Learn how the changed game development.