Soleron on 30 July 2013
Emulate the biggest F2P financial success - League of Legends.
Not pay to win
Make the game easy to get into, hard to master
Continual pipeline of new content and renewal of older content
Respect the players and the game at all times
Make paying unlock more/different content or cosmetics, not be required to play at all.
Make all game content free at some point.
