The Gog & Magog game universe consists of four distinct dimensions that dictate player strategy and deck building. Terra focuses on human heroes and balanced mid-range strategies. Oceania features aquatic creatures designed for resilient, hard-hitting, defensive and aggressive tactics. Janna is the celestial realm of heavenly beings, optimized for healing and endurance playstyles. Jahanam embodies underworld entities, fallen angels, and high-impact offensive late-game mechanics. Understanding these factions is essential for mastering the tactical combat of this multiplayer card game.