Complex sentence: It was the first online game to draw over a million players., however the game disappeared in 1999 with the death of the Prodigy service, but with the permission from the service and the games creator, fans of the game have rehosted it.
Split into simpler sentences: It was the first online game to draw over a million players., and was playable through the Prodigy service. The game disappeared in 1999 with the death of the Prodigy service, but with the permission from the service and the creators, fans of the game have rehosted it.