Clash Royale is a game which you have to battle with cards to go up arenas. There are 84 cards and you need to get them. The rarities are common, rare, epic and legendary. You start at training camp. There are arenas 1 to 12. Challenges and tournaments are unlocked at king level 8. Tournament levels are: common, 9, rare, 7, epic, 4, legendary, 1. Sudden death is one minute in normal battles and three minutes in challenges and tournaments. Get gems and gold for more cards and chests. Buy some from the shop. Get gems for tournaments and challenges. There are a grand challenge and a classic challenge. Training camp cards are: Archers, arrows, bomber, knight, mini P.E.K.K.A, musketeer, fireball, giant, prince, witch, skeleton army and baby dragon. Arena 1(Goblin Stadium) cards are: Goblins, spear goblins, goblin hut, Valkyrie, lightning and goblin barrel. Arena 2(Bone Pit) cards are: Skeletons, minions, bomb tower, tombstone, giant skeleton and balloon. Arena 3(Barbarian Bowl) cards are: Barbarians, cannon, rocket, barbarian hut, X-bow and rage. Arena 4(P.E.K.K.A's Playhouse) cards are: Tesla, minion horde, hog rider, inferno tower, freeze, P.E.K.K.A, lava hound and inferno dragon. Arena 5(Spell Valley) cards are: Zap, fire spirits, furnace, wizard, mirror, poison, ice wizard and graveyard. Arena 6(Builder's Workshop) cards are: Mortar, skeleton barrel, elixir collector, battle ram, tornado, Golem, the log, sparky and miner.