Download Stencyl 4.2.0

September 2nd, 2026



Development Release - Stencyl 4.2.0

Build 12845 - September 2nd, 2026

Multiplatform
(Windows, macOS, Linux -- How to install and run the multiplatform release)

Development releases contain the latest fixes and updates, but change frequently.
Time and effort may be needed to update to new versions.

Looking for an older release (such as Stencyl 3.1 / 4.0)?

Can't open Stencyl on a Mac?

If you get an error about an unidentified developer...
Go to System Preferences > Security & Privacy > General and click on 'Allow Anyway'.





What's New?

Summary
Full Changelist

New to Stencyl? Start Here.

Follow our crash course for beginners. You'll be creating games in no time.


Want to publish to iPhone, iPad, Android, Mac & Windows?

Stencyl is free to use for publishing to HTML5. Publish to iOS, Android, Windows, Mac & Linux by upgrading today.





Are you upgrading?

Back games up before opening them in a newer version.


Minimum Requirements

  • macOS 15 (Sequoia)
  • Windows 10
  • Ubuntu 12.04 (or later)

Recommended Requirements

  • The latest version of macOS
  • Windows 11

Where can I find some sample games?

Sample projects can be downloaded from our Developer Center.