Originally Posted by Primoz
On a related note. It's pretty sad how few people are on the endless leaderboard and how many on co-op. It shows how few are gonna get to level 31 actually. Foursaken should give acces to the endless mode with crystals, or a separate IAP, but clearly state that it's obtainable for free if you beat the campaign.
Just a suggestion.
That's partially because today's gamers have ADD. People on forums and such are often completionists, but in general, people move from game to game fairly quickly. That's even more amplified in the mobile ecosystem, where so many new games are available on weekly basis, and for cheap!