The agentic game engine

Build the game
you can already see.

Stage is an agentic game engine in development. Describe the game you want, then let Aria show the work, wait for approval, and turn it into a playable build.

Coming soon See how it works
Stage / Ruins ExplorerPLAYABLE
Stage editor showing a playable 3D ruins exploration game and an Aria build conversation.
One prompt, a visible plan, a game you can play.3D exploration
01

Describe the game.

Start where your idea is strongest: the feeling, the mechanic, or the first scene.

02

Review the work.

Aria breaks the build into a human-readable plan. Every action stays visible and reversible.

03

Play immediately.

Run the result inside Stage, see what changed, and keep building from the game in front of you.

Build across genres

Make the first playable version, not another blank project.

From platformers to 3D worlds, Stage gives you a working scene, real engine objects, and a chat that understands the project it is changing.

  • Typed editor actions, not opaque scripts
  • Plans are approved before they run
  • Changes stay visible, reversible, and in your project
Stage / Waterfall RunPLAYABLE
Stage editor showing a playable 2D platform game and Aria's completed build steps.

In development

The shortest path from
“what if?” to play.

Stage is being built in the open. Follow along as the agentic game engine takes shape.

Coming soon