IV:MP and IV-Network (multiplayer replacements)
GTA-Network
- See each otherUnknown
- StoryNot synced
- EnemiesUnknown
- WorldUnknown
- ItemsUnknown
Server-based multiplayer mods; IV-Network last pushed 2016-10 and the IV:MP repo 2012-12. They offer custom modes, not shared story. Official GTA IV co-op is scenario-based and has no story.
Your own copy of Grand Theft Auto IV.

