This is an ultrawide monitor, which means it's shaped like two regular screens placed side by side. Games fill your peripheral vision instead of stopping at the edges, and the deep curve bends the picture toward you so everything stays roughly the same distance from your eyes. If you want to feel inside the game instead of watching it through a window, this does that.
The 180Hz refresh makes motion smooth in shooters and racing games, and VA panel tech gives you deeper blacks than most gaming screens — useful when games go dark. The resolution is sharper than 1080p but easier to run than full 4K, so your GPU doesn't have to work as hard to push high frame rates.
The HDR sticker doesn't mean much here — it's called HDR but doesn't really pop. Treat it as a regular bright screen and you won't be disappointed. And because it's VA, fast-moving objects can leave slight trails if you're pixel-peeping, though most people won't notice in actual gameplay.