Check the listing for details. Syphon Filter Totally Unauthorized Strategy Guide BradyGames For PlayStation. Condition: Good, Made in United States. Listed at 27.00 USD. Get the ultimate strategy guide for Syphon Filter on PlayStation with this totally unauthorized guide by Brady Games. This guide is a must-have for any serious gamer looking to master this action-packed game. With in-depth coverage of all the levels, weapons, and enemies, you'll be able to take your gameplay to the next level. The guide is specifically designed for players who want to explore the game's secrets, get the most out of their weapons, and learn how to deal with the toughest enemies. Whether you're a casual player or a seasoned pro, this guide is the perfect companion to help you get the most out of your Syphon Filter experience. So don't wait, get your hands on this amazing strategy guide today!