It's really simple. Just prepay a ticket for the LAN you want to go to, and as more tickets are prepaid by others, the prize pool bumps up!
Check it out:
- LANified! 26: Back in Flak - Prize Pool up to $1,500
- LANified! 27: BuyBack - Prize Pool up to $1,500
- LANified! 28: Rebound - Prize Pool up to $1,350