4‑Player Online on One Xbox 360: Game‑Dependent Split‑Screen + Online Support

Possible only if the specific game supports both local split‑screen and online multiplayer simultaneously.

How It Works

• 2 players on your console (split‑screen)
• 2+ players join online from their consoles
• Game merges local + network sessions

Check Before Buying

• Store page / box: "Local Co‑op" + "Online Multiplayer" + "Split‑screen"
• Max local players (often 2, rarely 4)
• Online mode supports guest accounts or requires Gold per player

Examples That Support This

• Halo 3 / Reach / 4: 2‑player split‑screen + online matchmaking
• Call of Duty (MW2–BO2): 2‑player local + online
• Gears of War 2/3: 2‑player campaign/horde + online
• Left 4 Dead 2: 2‑player split‑screen + online versus/co‑op

Most Games Don't

Many are online‑only or local‑only. Always verify per title.