Question

Does halo 4 need Xbox live siler to play online
GPT 3.5
No, Halo 4 does not require an Xbox Live Silver subscription to play online multiplayer. However, an Xbox Live Gold subscription is needed to access certain online features and game modes.
Question
What about halo 3 odst
GPT 3.5
In contrast to Halo 4, Halo 3: ODST does require an Xbox Live Gold subscription to play online multiplayer. This includes accessing the game's cooperative Firefight mode or any other online features.