A system and method is provided that generates a game log that specifies game events during gameplay to enable efficient distribution of video game playback, facilitates the annotation of gameplay through content from users and others, and generates a video game stream that includes the game log and content. The system facilitates the efficient sharing of video game playback, as well as annotations from users and others. For example, e-sportscasters may use the system to broadcast video game playback with their commentary and/or graphical overlays. Video game players may use the system to share video game playback efficiently with other users. The system may also facilitate the sharing of loadout conditions and micro-transactions relevant to video game playback.