A Constructo mod was a collectable item found throughout the Breegus System. There were a total of 21 Constructo mods. These mods were used to modify the Constructo weapons. The three Constructo weapons were the Constructo Pistol, the Constructo Bomb and the Constructo Shotgun. Each constructo weapon had about 12 modifications for it.
- Ratchet & Clank Future: A Crack in Time (first appearance)