Rayman Origins - 4 player Co-op

Steam Curator: 4 Player Co-op Games

Rain World's Downpour DLC to include 4-player local co-op

Every Major 4-Player Co-Op Game Releasing In 2021

Dying Light 2 Co-Op Lets You Finish the Story with 4 Players

Halo 5's 4-Player Co-Op Allows for a Much More Sociable Story - GameSpot

Gotham Knights will not support four-player co-op

GTFO 4 player co-op FPS launching spring 2019 - Geeky Gadgets

Gotham Knights may have 4-player co-op

Team up with friends to slay hordes of aliens in the 4-player co-op top-down shooter Killsquad — Analog Stick Gaming

4-player Coop Zombie Horde Multiplayer Template (RAD_HORDE) in Blueprints - UE Marketplace