
I have a working prototype made with Clickteam Fusion, but Fusion is only able to export executables for Windows and Macs (which is really just the Windows .exe with some wrapper/Wine bottling taken care of for you, it produces a single container app for you).
This is missing a Linux option, and I'd like to use something else that lets me write the launcher app once and then be able to deploy it to Windows, Mac and Linux.
I have considered using either Unity or Unreal to write the launcher, but this is the least optimal option as the launcher itself would end up being ridiculously large in file size and absolutely overkill.
I have also taken a look at Godot, which might be a viable option, but I haven't messed enough with it yet to draw a conclusion.
Now, so far, the only tools I've mentioned are all visual scripting-style creation suites - I am not against using "real programming" kits (just a plain text-based IDE with UI SDKs) if it'll have to come down to that - though I'd need to be hand-held a little if the latter step is the only way to go to achieve what I want here...