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As far as I remember you need at least extra-edition to use alpha-transparency within gamestudio.



Actually, you can use alpha channel in any edition, even standard. It's Commercial edition and higher for A5 users (according to what I see in the internet archive).

"You level up the fastest and easiest if you do things at your own level and no higher or lower" - useful tip My 2D game - release on Jun 13th; My tutorials