+2
Achievements with rewards
I mean, add an achievement button and add many achievements with a gold reward, or maybe skins reward, for example 1st achievement: kill 10 players, 2nd: be the king for 6mins, 3rd: reach the score of 500 maybe, why not? and you can add more stuff in the shop... but stuff more cheap :v
Customer support service by UserEcho
"reach the score of 5000" will be more reliable :D