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Where It All Began

Before AI2U: With You 'Til The End, there was Yandere AI Girlfriend Simulator.

Originally released as an experimental prototype in 2023, this little escape room was our first attempt at answering a strange question:

What if you could actually talk to a game character... and she could decide whether or not to let you leave?

Now, the prototype that started it all returns as a free DLC for AI2U, preserved as its own standalone experience and upgraded to run entirely on your own PC!

No Internet. No Cloud Servers. Just You and Her.

The original prototype relied on external AI services and required players to set up their own API keys.

NOT ANYMORE!

In this new edition, both the LLM powering catgirl's conversations and the TTS powering her voice run locally on your computer!

• No internet connection required

• No API key required & No usage/token fees

Once everything is installed, you can disconnect from the internet and keep chatting with her, until the end of the world~

She'll be always here. :3

Escape by Talking~

You wake up trapped inside the apartment of a suspiciously affectionate catgirl.

She has the key.

Unfortunately, she also really, really doesn't want you to leave.

There is no fixed dialogue tree telling you what to say. Type whatever comes to mind and Eddie will respond dynamically based on your conversation.

Flatter her. Distract her. Lie to her. Reason with her. Ask bizarre philosophical questions. Convince her that opening the exit door was actually her idea.

Or forget about escaping entirely and see where the conversation goes.

New Features since 2023 Ver!

You can play Chess with the catgirl now! (1800 Elo rating she is tough!)

Also the TV can be used to play image & video~

The Original AI2U Experiment

This is the early prototype that eventually grew into AI2U.

Compared with the full game, expect something much smaller, stranger, rougher around the edges, and closer to the experimental spirit of the original project.

One apartment.

One catgirl.

One locked door.

And an unreasonable number of things you can try saying to get through it.

For returning players, it's a little time capsule from where AI2U began.

For everyone else...

Good luck getting her to open the door!

AI Generated Content Disclosure

The developers describe how their game uses AI Generated Content like this:

None of the art assets in the game are AI-generated. The visual art, story design, music and worldbuilding are created by human developers and artists.

In-game chat is dynamically generated using local LLM (Gemma 4 E2B) and text-to-speech (Qwen 3 TTS) technology, allowing characters to respond uniquely to your choices and playstyle.