It used to be a great game once but now it's almost unplayable. The further you get as a F2P player the worse it gets. Supercell's dev team that works on Clash Royale have proved countless times they don't care about their community by adding terrible updates including Level 15, Card Evolutions and Tower Troops which completely destroyed the meta in Clash Royale. At further point at the game you unlock two evolution slots while keeping up with the whole meta and unlocking those card evolutions or upgrading cards to the higher level gets way too overwhelming or even impossible. P2W players shouldn't be happy either because the prices of in-game purchases are astronomically high.