Era7: Game of Truth is a metaverse-style TCG developed on the Binance Smart Chain (BSC) by a team of core blockchain technicians and members of well-known casual game development companies. This game combines fighting and strategy to create an immersive experience, with separate three-minute games. Players can combine cards from their library to strengthen their deck and play PVE or PVP. Different cards have different effects, and players can collect Common or Legendary cards. In addition to being fun, each card has its own value, and players can obtain high-value cards through various methods. Era7 continuously updates the game's content and offers profit models for individuals and organizations. E-sports and Play to Earn are core elements of Era7, which combines NFTs, DeFi, and blockchain to create an international NFT-based GameFi experience. The cards in Era7 not only function as NFTs but also have playability within the game itself.