Five days after they released the Creator Ready 419.67 drivers, NVIDIA has published their Game Ready equivalent, which is also version 419.67. It can be downloaded from GeForce Experience, or you can get it from their website (alongside the release notes).
In terms of features: this is another entry in the R418 branch. Often, but not always, major new features are merged in at the start, and subsequent releases add game-specific optimizations, bug fixes, and so forth. This is one of those drivers. It adds two new G-SYNC compatible monitors, the ASUS VG278QR and the ASUS VG258, as well as “Game Ready” tweaks for Battlefield V: Firestorm, Anthem, Shadow of the Tomb Raider, and Sekiro: Shadows Die Twice.
Also, if you have multiple GSYNC compatible displays, NVIDIA now also supports using them in Surround on Turing GPUs.
There are also several bug fixes, although most of them are relatively specific. They do have fixes for DaVinci Resolve and multiple Adobe applications, which I believe were first introduced in the Creator Ready driver. If you’re concerned about “missing out” on fixes, it looks like they’re intending to keep Game Ready up-to-date with Creator Ready, just with less QA on professional applications and timed to game releases (versus professional software releases).