Opus

Opus turns plain text prompts into fully playable 3-D game levels in minutes.

How to use Opus

1. Sign up at opus.ai and open a new project.
2. Type a short description of the scene you want, including setting, style and key mechanics.
3. Click “Generate” and watch the engine assemble terrain, lighting, characters and basic logic.
4. Tweak objects directly in the browser editor; drag to move, click to edit dialogue, swap assets from the library.
5. Press “Playtest” to drop into the world, collect feedback, then iterate until it feels right.
6. Export to Unity or Unreal, or share a web link with teammates for live comments.

What we discovered during testing

I went into Opus hoping for an instant creativity boost, and the first impression delivered. Within ten minutes a rough cyberpunk alleyway appeared, complete with flickering neon and a lurking NPC. That speed echoes the “fun but not flawless” vibe some early film reviewers tagged as a “gentleman’s 6.” Quick thrills, no ground broken, yet still entertaining.

Advantages

• Rapid generation: The build phase feels like magic; entire environments surface faster than traditional grey-boxing.
• Accessible editor: Drag-and-drop controls kept me away from arcane shortcuts, which meant I stayed focused on story beats.
• Flexible export: Sending the scene to Unity took one click, and materials arrived correctly mapped.
• Low barrier for collaborators: A music-journalist friend with zero engine background dropped in, moved props and even rewrote NPC dialogue after five minutes of guidance, mirroring the “up-and-coming writer” energy mentioned in several critiques.

Drawbacks

• Template dependence: Like the film counterpart that leaned on familiar twists, Opus leans hard on preset logic blocks; unique mechanics require manual scripting.
• Uneven character animation: The same mismatch critics noticed between John Malkovich’s rock-star persona and his role appears here when humanoid rigs lip-sync badly.
• Performance dips: Large scenes stutter during live playtest unless assets are aggressively optimised.
• Feature sprawl: The interface hides advanced toggles behind nested panels; early sessions felt like rummaging through “a muddled bundle of good ideas,” to borrow one pointed review.

Closing thoughts

Opus delivers rapid world-building and genuine excitement for small teams, yet it shares a few shortcomings with the film that shares its name: flashes of brilliance undercut by over-reliance on safe tricks and the occasional technical hiccup. Treat it as a springboard rather than a finished studio pipeline and you’ll squeeze plenty of value from its lightning-fast generation loop.