CubilumCubilum for Desktop
The whole engine.
On your computer.
Download Cubilum and start building offline. Sign in to publish and share, or jump in as a guest and tinker.
Free · ~180 MB · Beta build
Pick your platform
Get Cubilum
Why desktop?
How the app is different
⚡
Faster
Native rendering. No browser tab tax.
📴
Works offline
Build on a plane. No Wi-Fi required.
💾
Local files
Your projects live on your disk.
🧪
Guest mode
No account needed to start tinkering.
First launch
What happens when you open it
01
Choose how to start
Sign in for the full thing, or continue as a guest with one click.
02
Sign in opens browser
We pop your browser open for a secure sign-in, then bounce you back to the app.
03
Or guest in
Make stuff and play-test freely. Publishing is locked until you sign in.
04
Play community games
Browse and try worlds other people made — guest or signed in.
👤 Guest
- Make new projects
- Play-test locally
- Try community games
- Publish to community
- Cloud sync
✨ Signed in
- Everything in Guest
- Publish to the community
- Cloud sync across devices
- Remix permissions
- Followers & analytics