Updated: April 21, 2026 
Cartridge Holders are important collectibles in Pragmata that expand Hugh's ability to carry Repair Charges, which are essential for healing during combat and exploration. Hugh starts the game with only one Repair Charge slot, but finding all six Cartridge Holders scattered across the sectors of the lunar research facility increases his maximum capacity to three slots. These collectibles are hidden in specific sectors and rewarded through the Cabin Stamp Club progression system. Here's every Cartridge Holder location in Pragmata and how to use them.
All Cartridge Holder Locations
| Number | Sector/Board | How to Find |
|---|---|---|
| 1 | Solar Power Plant | Located in the medical facility's central area beside the window panel |
| 2 | Trainee Stamp Club Board | Unlocked by achieving one bingo line on the Trainee Board |
| 3 | Mass Production Array | Found on an elevated platform midway through the structure, reachable via the ground floor zipline |
| 4 | Associate Stamp Club Board | Obtained from Associate Board after clearing the Terra Dome Entrance Red Zone |
| 5 | Specialist Stamp Club Board | Reward from Specialist Board upon completing the Warehouse Red Zone |
| 6 | Director Stamp Club Board | Director Board reward earned by finishing the Regolith Lab Red Zone |
What Cartridge Holders are Used for?
Cartridge Holders increase the maximum number of Repair Charges that Hugh can carry at once. Repair Charges are consumable healing items that restore Hugh's health during combat or exploration. You can use Repair Charges at any time by accessing the Unit Printer in the Shelter or at Unit Printer stations found throughout sectors.
Hugh begins the game with only one Repair Charge slot, meaning he can carry just one healing charge into each mission. Finding Cartridge Holders expands this capacity up to a maximum of three slots when all six Cartridge Holders are collected. With three Repair Charge slots, you can carry three healing items into difficult encounters, significantly improving your survivability during boss fights, Red Zone challenges, and exploration of dangerous areas.
After collecting a Cartridge Holder, you need to purchase the additional Repair Charge slots at the Unit Printer in the Shelter. The slots don't activate automatically upon finding the Cartridge Holder. Visit the Unit Printer, navigate to the attachments or upgrades section, and purchase the additional slot using Lunafilament and Pure Lunum. For more guides, check out our Pragmata wiki.
