Hearthstone is a digital collectible card game developed by Blizzard Entertainment. Players build decks using cards representing characters, spells, and abilities from the Warcraft universe. The game features various modes, including ranked play, casual matches, and special events. In Hearthstone, players take turns drawing cards and using them to reduce their opponent's health to zero. Each player selects a Hero with unique powers, adding strategic depth to gameplay. The game is free-to-play, with optional purchases for card packs and expansions, making it accessible to a wide audience.