Indie Game Developer

I build AI-native gameswith systems at their core.

Cosmos Milk Tea is an AI-driven narrative simulation set on a space station. Of Mountains and Beasts is a deckbuilding roguelike inspired by the Shan Hai Jing.

Explore the games
奶茶拯救宇宙 — Cosmos Milk Tea
01 / COSMOS
The milk tea shop interface in Cosmos Milk Tea
Cosmos Milk Tea logo

Narrative adventure · AI-native simulation

Cosmos
Milk Tea

Make milk tea by day and tend bar by night aboard a mysterious space station. Talk freely with AI-powered characters who remember, react, and evolve — then uncover the truth hidden in their stories.

  • AI-driven characters
  • Creative drink system
  • Choices that shape the story
Wishlist on Steam View game & gallery

Deckbuilding roguelike · Beast collection

Of Mountains
and Beasts

A Shan Hai Bestiary · 山海异兽志

Build a deck, collect strange beasts, and set out on a new journey with every run. Inspired by the Classic of Mountains and Seas, each expedition leads deeper into a bestiary of ancient Chinese myth.

  • Deckbuilding
  • Roguelike runs
  • Beast collection
Currently in developmentView game & gallery
Of Mountains and Beasts title surrounded by mythical creatures
CRT bestiary study of a nine-tailed foxCRT bestiary study of the winged serpent Feiyi
02 / MOUNTAINS

About the creator

Independent by design.
Curious by nature.

I’m Emma Yang, an indie game developer building AI-native interactive systems and character-driven worlds.

My work connects game design with LLM inference, agent behavior, and open-source AI infrastructure — turning technical research into experiences that feel personal, surprising, and alive.