How to play Red Dog: A full guide for card game lovers Red Dog is a popular card game that’s similar to poker. It’s easy to learn and is a great choice if you’re looking for a quick and exciting online casino game. Despite its simple rules, playing Red Dog still requires a thorough understanding of its rules and gameplay. Key takeaways In this Red Dog betting guide, you will learn the game’s rules, gameplay mechanics, common terms, and the best betting tips to boost your chances of winning.