Colizeum is a decentralized gaming app store that aims to bridge the gap between traditional gaming and blockchain technology. They provide tools for game developers to implement a blockchain Play-To-Earn economy into their games, allowing players to earn and own in-game assets. Colizeum offers a blockchain-based mobile gaming ecosystem for developers, gamers, and spectators, with features such as a Play-To-Earn economy, in-game assets as NFTs, an attention marketplace, and tournaments as a service. Their goal is to enable game developers to monetize and scale their games while empowering gamers to earn and truly own their in-game assets.