Grand Theft Auto III

This is an action game, the protagonist goes by Markus, surviving fights and killing people. On the other hand Emir and Cezar were also protagonists! Emir was a fake friend to Markus but Cezar always snitches. Emir works for the bikers, and which has a friend Antonio. Markus already knows Cezar from 7 years ago at school which they meet later! Markus might seek revenge or who knows? Maybe all 3 of them becomes heroes of the city!