Dead Island 2 has native ultrawide support for gameplay. Here's a fix to get ultrawide support for the cutscenes too, thanks to Lyall. : r/widescreengamingforum

Dead Island: Riptide Ultrawide and Multi-Mon Fix - WSGF - PCGamingWiki PCGW Community

3 Years with Ultrawide Display - Support Summary in 80 games I've played/tested

3 Years with Ultrawide Display - Support Summary in 80 games I've played/tested

Dead Island 2 - Ultrawide 21:9 Gameplay

Dead Island 2 Texture Loading issue on PC : r/deadisland

3 Years with Ultrawide Display - Support Summary in 80 games I've played/tested

Dead Island 2 PC [8K 32:9 Super Ultrawide + HDR w/ Benchmark Overlay]

On ultrawide 21:9 monitors, the 21:9 cutscenes just sit in the middle of the screen : r/reddeadredemption2

Dead Island Menu & HUD Fix - WSGF - PCGamingWiki PCGW Community

Dead Island 2 4080 GeForce NOW Ultimate Ultrawide Performance & Gameplay

Dead Island Definitive Edition - 5120 x 1440 - Ultra Wide Gaming - 32:9

DEAD ISLAND 2 First 1 Hour of Gameplay Crazy Next-Gen Graphics in Unreal Engine RTX 4090 4K 2023

3 Years with Ultrawide Display - Support Summary in 80 games I've played/tested

Dead Island 2 RTX4090 PC Ultra Settings - Ultrawide 3440x1440 - Gameplay