The game is fun, but the amount of gold gain is waaaay to little and takes waay to long to level up one hero. Not to mention you have a few heros. The gsme basically forces you to paid to get gold OR you can only grind one hero. Because there are not enough gold to go around for other heroes if you want to switch. I have all the cards to all the heroes, but i cannot unlock them because i need to save up for upgrading the hero. Hence i just uninstalled the game. Good game concept, bad management.