Launch Sleeping Dogs and press Alt + Enter to switch the game to Windowed Mode .
This patch fixes window leaking on multi-monitor setups and provides a native Borderless Window option. It can be found on the Sleeping Dogs PCGamingWiki page . sleeping dogs ultrawide fix
Search for the Hex value 39 8E 63 40 (the default 16:9 value). Replace it with the value for your monitor's aspect ratio: 8E E3 18 40 Launch Sleeping Dogs and press Alt + Enter
Open your game directory: SteamLibrary\steamapps\common\SleepingDogsDefinitiveEdition\ . Open sdhdship.exe with HxD. sleeping dogs ultrawide fix
For a more "one-and-done" solution, the community has maintained unofficial patches that address both ultrawide stability and gameplay bugs.
39 8E 63 40 (check specialized Widescreen Gaming Forum threads for current 2026 values).