The first stage was held in Rome, in April 2013, and the Extreme Neapolis began by finishing in 1st place in Serie A and 1st place in Serie B with Extreme Neapolis 2, a team made up of the Extreme Neapolis nursery born with the Naples Extreme Paintball School which had over 30 players.
The season ended with three first places in Serie A, the last one in Naples where the home team won the first Italian championship and the second team, Extreme Neapolis 2, filed the qualification in Serie A obtaining the first place in B series.
In the same year, the Neapolitans also achieved their best placement in the European championship, winning 4th place in the stage held in the south of France.