Mr Dawson said after high school everyone went their separate ways and only in recent years had they got it back functioning.
He said they were at the stage where the fraternity had to gain charitable status as a non-profit organisation to grow.
"The biggest event we have had was probably about 100 people."
He said that as a charitable trust the organisation could apply for grants and deal with funds in a better manner for hiring sites, paying electricity bills and gaining partnerships.
Mr Dawson said they were working with the Auckland equivalent processing a constitution which is required for any non-profit organisation.
"As we get bigger our goal is to host a 2000-person event at the Energy Events Centre."
He said they had worked with some of the Waiariki Level 7 information technology students to see if it was possible, and they concluded it was.
Mr Dawson said Battlefield 3 was the most popular game at the moment.
This weekend's 24-hour gaming event at Waiariki Institute of Technology will start at 8am on Saturday and finish at 8am on Sunday.