Construct can export your project as a Linux desktop app based on the Chromium Embedded Framework. This is basically a copy of the Chrome browser engine (Chromi...
Thanks! There's also a far easier way to make playable on Deck:
1 - Unzip
2 - Right click game file "add to steam"
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Or when publishing to Steam store:
1 - Upload the zip file on depots page
Also, if your game is normally 16:9, I'd recommend doing "scale inner" as the fullscreen setting.
This way the game is larger and without black bars, as the Deck uses a 16:10 resolution.