around beta 2.0 and 2.5, it will be playable to see characters do left and right arrows to see easy maps on first pages a and b to change page common characters are black (already unlocked) uncommon is green (10 coins) rare is blue (25 coins) epic is purple (50 coins) legendary is yellow or gold (150 coins) mythic is dark red (250 coins) ascended or boost attributes are galaxy (1000-4000)