The player can choose when it starts. Make it realistic and do not make the player win everytime. Make all of the gangs/sets in it real and around during that time such as OMB/BOA,Hoolies,Woo,Choo,Sevside,RPT,etc. Disbanded alliances such as O to the Sev,OYOGz,Bz to Gz, etc. Players can also choose what set they are in and their backstory. players are able to do as violent things as they want too.