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Steam News3 June 20261mo ago

The First Thing Players Wanted to Do: Create Their Own Card

On June 1st, we brought Joey’s Nightmare II to the MuShanghai AI Indie Game Market. We thought people would jump into battles, experiment with deckbuilding, and challenge nightmare monsters.

In this update5

Full notes

Full Joey's Nightmare II update

Read the full published notes in a cleaner layout. The original post stays linked below.

What changed

0 fixes1 addition4 changes0 removals
  • Events
  • Workshop
  • Gameplay
changedWe thought people would jump into battles, experiment with deckbuilding, and challenge nightmare monsters.
changedAlmost everyone who stopped by our booth went straight to the Card Workshop .
changedSpeak It, Make ItIn the Joey’s Nightmare II Card Workshop, all you need is a prompt.
addedSpeak It, Make ItAnd then add the card directly into the game for testing.Steam post image
changedAbout the Art ModelThe current Card Workshop uses an art model trained and fine-tuned on the existing hand-drawn artwork from Joey’s Nightmare II .

Joey's Nightmare II changes

changedWe thought people would jump into battles, experiment with deckbuilding, and challenge nightmare monsters.
changedAlmost everyone who stopped by our booth went straight to the Card Workshop .
changedIn the Joey’s Nightmare II Card Workshop, all you need is a prompt.
addedAnd then add the card directly into the game for testing.Steam post image
changedThe current Card Workshop uses an art model trained and fine-tuned on the existing hand-drawn artwork from Joey’s Nightmare II .

On June 1st, we brought Joey’s Nightmare II to the MuShanghai AI Indie Game Market.

We thought people would jump into battles, experiment with deckbuilding, and challenge nightmare monsters.

Instead, something unexpected happened.

Almost everyone who stopped by our booth went straight to the Card Workshop.

"Can I really make my own card?”

"Wait, it actually generates it?"

"Can I make a Monkey King card?"

"What if I want to summon 100 turkeys?"

Before long, our booth had turned into a giant wish-fulfillment machine.

Speak It, Make It

In the Joey’s Nightmare II Card Workshop, all you need is a prompt.

For example:

A fire-breathing Monkey King

The system will instantly generate:

🎨 Card Artwork

📝 Card Name & Description

💻 Card Effect Code

And then add the card directly into the game for testing.Steam post image

Every player can create their own cards, archetypes, and playstyles.

The Most Fun Part

The most interesting thing wasn't what the AI generated.

It was what the players came up with.

Some examples included:

  • Cards named after themselves

  • Creatures that don't exist in real life, like Antarctic Bears

  • Characters from cartoons and movies

  • Random words that simply sounded powerful

Every player had a completely different idea.

And honestly, sometimes even we had no idea what would appear next.Steam post image

About the Art Model

Many players asked how the card artwork was generated.

The current Card Workshop uses an art model trained and fine-tuned on the existing hand-drawn artwork from Joey’s Nightmare II.

Our goal is to keep generated cards visually consistent with the game's original art style while still allowing players to create something uniquely their own.

If you'd like to create your own cards,

the free demo of Joey’s Nightmare II is available now on Steam.

You're also welcome to join our Discord and share the weirdest, funniest, and most overpowered cards you've created. https://discord.gg/4rk6rG8m7

Your imagination is the strongest card.Steam post image

Source

Steam News / 3 June 2026

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