All the promo codes that you can unlock in the game
 
 

How to claim the codes

Holy Potatoes! A Weapon Shop?!: Launch the game, load your save file or start a new game, click on the Settings icon at the bottom right, and you can enter the Promo Codes. Holy Potatoes! We’re In Space?!: Launch the game, click on Settings and you will see Promo Codes bar to key in.
 
 

 
 
 

Promo Codes

Codes	Reward	Source
HPXMASOUHFGA	Merry Disk	Steam Community Annoucements – [steampowered.com]
HPXMASUAFQUH	Christmas Disk	Twitter
HPXMASDOANDE	Winter Disk	Steam Store – [steampowered.com]

 
Those codes are requires to unlock the achivement “Interior Designer” where you need to unlock all the decorations.
 
 
 

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Here we come to an end for Holy Potatoes! A Spy Story?! Unlock All Promo Codes hope you enjoy it. If you think we forget something to include or we should make an update to the post let us know via comment, and we will fix it asap! Thanks and have a great day!