Proyect-Z is a MORPG (Multiplayer Online Role Playing Game) set in a post-apocalyptic world. implemented with the Orange Box source engine (Half life 2 deathmatch modification). Using databases allow data persistence getting a similar experience to a MMORPG (Massively Multiplayer Online Role Playing Game), but due to limitations of the engine, map is divided into zones with loads between them. When the player has created his account to play, have a PJ (character) protected by a username and password. Each time a player leaves the game, the server stored in the database throughout the state of play: life, abilities, items, ammo, etc. When the player connect to the server using the username and password from any PC, he will have his character and inventory exactly as he left it last time.