There isn't a single product called a "duel game system," but there are many excellent games and platforms designed specifically for two players. Here's where to find them, categorized by format.
| Category | Examples | Time | Complexity |
|---|---|---|---|
| Abstract Strategy | Hive, Azul, Patchwork, Onitama, Chess, Go | 10–30 min | Low–Medium |
| Card Combat / Deckbuilding | Star Realms, Hero Realms, Magic: The Gathering, KeyForge | 15–45 min | Medium |
| Tactical / Miniatures | Summoner Wars, Claustrophobia, Warhammer Underworlds | 30–90 min | Medium–High |
| Cooperative Puzzle | Unlock! (Escape room cards), The Mind, Hanabi | 15–30 min | Low |
| Thematic Duel | Netrunner (LCG), Android: Netrunner, Marvel Champions (2P co-op) | 45–90 min | High |
Start with BoardGameGeek's "Best 2-Player" list, watch a 10-minute playthrough on YouTube, and buy from a retailer with a good return policy. Happy dueling!