Will Dead Island 2 be cross-play? - Answered

Dead Island 2 Cross Play: Everything You Need to Know

Dead Island 2 Review: Almost worth the wait! - Magnetic Magazine

Can You Get Guns in Dead Island 2? Answered

Will Dead Island 2 Have Crossplay? - The Escapist

Dead Island 2 co-op details (no cross-play support; supports cross-gen but XB1 players cannot host at launch) : r/xboxone

Technical FAQs

Dead Island 2: Crossplay & Cross-Progression Explained

Does Dead Island 2 have co-op multiplayer? - Dexerto

Dead Island 2 Review – Bloody Great Fun - Roundtable Co-Op

Is Dead Island 2 Cross Platform? (PS5, Xbox, PC) - Gamizoid