Autofire Arena

Inspiration

Autofire Arena is an incremental shoot-em up that combines the chaotic combat of Vampire Survivors with the simplicity of incremental upgrade systems

Combined into a multiplayer 3D experience where players collect weapons, fight hordes together, and show off their loadouts

How We Built It

I’m primarily a game designer, so AI tools and references helped accelerate the project

• Used Horizon templates to guide Co-Pilot in Horizon Worlds best practices
• Mesh and Texture generation in engine after establishing a vision to ensure cohesive art direction
• Used Ask Mode in Horizon Editor to confirm horizon specific setup and settings Workflow with AI: describe → simplify → playtest → iterate

Challenges

• Performance: achieving large enemy counts without FPS drops - solved with static meshes animated via code
• Learning curve: first full project where Im programming in Horizon, adapting to TypeScript and best practices

Accomplishments

• Captured the Vampire Survivors feeling in multiplayer — chaos, teamwork, and power fantasy
• Everything ties into one clean loop: fight → earn → upgrade & customize → fight more!
• Built a system that allows experimentation and expression without complexity
• Doing it all solo!

Try it at - https://horizon.meta.com/world/10239755149447586/?hwsh=hJIx5BJiEY

What’s Next

• More weapon types
• More enemy types
• More opportunities for upgrading

Built With

• horizon
• typescript