I’ve made a “convert tilemap to image” block recently in my game jam game ([Announcement] MakeCode Arcade Mini Game Jam #3 - Racing Jam - #41 by Kiwiphoenix364), but it may take a little bit of work to turn into an extension. If you give me a day or two, I’ll build it into an extension. Keep in mind that it is slow, and takes some time to convert, a 64x64 tilemap takes ~3-5 seconds to convert in the simulator. Also, images that are generated can be any size (4096x4096 literally works, the max size of a tilemap!), the issue is displaying it on-screen though (which the cap for sprites is 512x512 pixels, although I didn’t have to deal with that because of the renderer I was using, so levels are 1024x1024 pixels in that game!).
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