Portal Prelude RTX - optiscaler/OptiScaler GitHub Wiki

Version

OptiScaler v0.7.7-pre13 (20250731)

Filename

winmm.dll

OS

Windows 11 24H2

GPU

Radeon RX 6600

Inputs

DLSS

Settings

VulkanExtensionSpoofing=true

FG-Settings

No FG, option is blanked.

Known Issues

Menu overlay doesn’t show.

Notes

Updating RTX Remix improves performance a little, doesn’t affect Optiscaler. Don’t use FakeNVapi, causes the game to crash.

Reported By

Mine18