Updated: October 21, 2025
Added new codes!
The entire universe is devastated by the planet-eating and reality-warping Chaos, so you know that you ought to use Chaos Zero Nightmare codes to see this adventure to the end. As Protos, the commander of SS Nightmare, you must recruit agents, build their decks, and save the world from total annihilation.
All Chaos Zero Nightmare Codes List
To get the best agents using the game's gacha system and ensure that their decks are strong enough so that you can survive your runs until the very end, you should use the latest codes and collect all the resources at your disposal. For another gripping deck-builder, we've compiled a list of Morimens codes, which you should redeem as soon as possible.
Active Codes
- CHYUUCHYUUUCHYUU—Redeem for Free rewards
- CZNDEVGIBYOUSELECTOR—Redeem for Free rewards
- NOTA5STARSELECTOR—Redeem for Free rewards
- HUGOLOVESYOU1—Redeem for Free rewards
- HUGOLOVESYOU3000—Redeem for Free rewards
- HUGOLOVESYOUFOREVER—Redeem for Free rewards
- BOSSGIFT—Redeem for Free rewards
- CZNLAUNCH22ND—Redeem for Free rewards
- CZNDECK—Redeem for Free rewards
- CZNSTRESS—Redeem for Free rewards
- CZNTRAUMA—Redeem for Free rewards
- CZNLAUNCH2210—Redeem for Free rewards
Expired Codes
- There are no expired codes at the moment.
Related: Zenless Zone Zero codes
How to Redeem Codes in Chaos Zero Nightmare
While the developer has already released some Chaos Zero Nightmare codes, we don't have concrete information on how to redeem them just yet. We suggest you bookmark this article and return as soon as the game becomes playable, as we'll make sure to update it with all the crucial information that you need in order to claim all the free goodies and enjoy this experience to the fullest.
Chaos Zero Nightmare Wiki Link
Prepare yourself for all the challenges that are to come by visiting the Chaos Zero Nightmare Wiki page. Read all about the existing characters, builds, synergies, lore, and much more—before you jump into battle.
Chaos Zero Nightmare FAQ
One of the more unique features of the game is its stress and sanity system. You must be careful that your agents don't break under stress, as their behavior will change in different ways that will weaken your team and could very well lead to your demise.
The game is based on loops—every time you lose, you fail the mission, but you also gain knowledge and meta-resources that transfer into future runs. This way, every defeat essentially makes you stronger and smarter in the long run.
Chaos Zero Nightmare is a roguelike deck-builder RPG set in a dark sci-fi universe. You play as Protos, commander of the SS Nightmare, whose mission is to recruit elite Agents and suppress the Chaos consuming the world as we know it. Upgrade, combine, and replace cards to perfect your team's decks—but watch everyone's sanity, because every battle risks pushing your heroes over the edge.
If any other game comes to mind where you could really use some free goodies, try looking up the latest codes in our General Game Codes section. If you're a fan of Roblox titles, you can grab tons of freebies over at our Roblox Promo Codes post.
Vuk Vladisavljev is a codes writer for GAMURS, whom you’ll likely find hunting for new codes for our Roblox gamers. He enjoys scraping the furthest corners of Fallout: New Vegas or having an existential crisis in Disco Elysium. He’s been gaming for almost 25 years and can’t imagine life without dogs, loud music, or his PC rig.