An plugin that allows you to change the shape of the game window on Windows.


  1. Support both GMS 1.4 and GMS 2!
  2. Support shaping your game window from sprites and surfaces.
  3. Animation supported! Simply shave your window to another different shape on each step!


  • Update shape too frequently might cause low fps and / or jagged edge.
  • Passing your shape via a surface is recommended which is faster and doesn't require disk IO.

End User Licence Agreement (EULA).

Changes in 2.1.0

  • Demo added
  • Fix a timing issue of when window region updating take effects. Now the window shape updating is aligned with redrawing to avoid jagged edges.

Version 2.1.0. Published January 12, 2019

Age Rating: 4+

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orbis s 30 January 2019


Kesly C 12 January 2019

Works great

Great asset to make all sorts of things, desktop games come to mind.

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