By Player Base:
* Magic: The Gathering (MTG) is widely considered the most popular trading card game by player base, with millions of players worldwide. Its long history, expansive card pool, and active competitive scene contribute to its enduring popularity.
By Sales/Revenue:
* Pokémon Trading Card Game (TCG) is the top earner in the trading card game market, generating massive revenue from card packs, expansions, and collectible products. Its popularity stems from its connection to the beloved Pokémon franchise.
By Digital Presence:
* Hearthstone is arguably the most popular digital trading card game, boasting a large and active player base in online play. Its accessibility and free-to-play model have contributed to its success.
Other Notable TCGs:
* Yu-Gi-Oh! Trading Card Game: With a loyal fan base stemming from the anime series, Yu-Gi-Oh! TCG remains a popular choice.
* Flesh and Blood: This relatively newer game is gaining traction due to its unique mechanics and competitive scene.
* Dragon Ball Super Card Game: The popular anime series has propelled this game into the spotlight, particularly in Japan and other Asian countries.
Ultimately, the "most popular" title can be subjective. However, Magic: The Gathering consistently ranks high in terms of overall player base, while Pokémon TCG dominates in revenue and sales.