The Polaris Compendium of Ridiculously Overpowered Weapons was a compendium of weapons that were deemed too powerful by the creators of Polaris compendiums.
- Rank 3: Alpha Cannon
- Before facing Slag/Darkwater in Ratchet & Clank Future: Quest for Booty, talking to the Smuggler allowed Ratchet to purchase the Alpha Disruptor for 50,000 bolts. While purchasing, the Smuggler revealed that the Alpha Cannon was ranked third in the Polaris Compendium of Ridiculously Overpowered Weapons. All the other weapons in this ranking were unknown.