Clickteam Fusion 2.5

No specific file or test is named. Start by reviewing the repository's existing filename-based detection rules and regex conventions, then compare the listed Fusion patterns—mmfs2.dll, matching .dat files, modules folders, Assets.dat, and data folders—against Steam depot file lists; done means Fusion titles are detected without breaking existing rules.

Some reference to the engine, such as the developer site or a wikipedia article.

Hi, I'm a moderator of the Clickteam community, I noticed that Clickteam Fusion never appears anywhere on Steam, meaning its apps/games aren't detected in any way.
I really would like to see it getting a bit more attention since there are amazing games made with it that people have no idea about it.
So if I can provide anything to help identifying Fusion games, I will be glad to help!

SteamDB links

https://steamdb.info/app/251130/
https://steamdb.info/app/252010/
https://steamdb.info/app/319480/
https://steamdb.info/app/298630/
https://steamdb.info/app/248310/
https://steamdb.info/app/1151620/
https://steamdb.info/app/736260/
https://steamdb.info/app/601810/
https://steamdb.info/app/350070/
https://steamdb.info/app/274270/
https://steamdb.info/app/207530/
https://steamdb.info/app/315610/
https://steamdb.info/app/319510/
https://steamdb.info/app/332800/
https://steamdb.info/app/354140/
https://steamdb.info/app/506610/
https://steamdb.info/app/237740/
https://steamdb.info/app/777670/

Possible way to detect it

I now you guys currently only operate in filenames, but unfortunately Fusion games are usually a single EXE, so I really hope you guys could make a exception to detect it.

For starters there's 3 kinds of Fusion games (well, if you don't count Multimedia Fusion 2 games)

• Packed EXE
• Unpacked EXE
• Chowdren exported

The Packed EXE is the default one, it has a mmfs2.dll inside of the EXE.
(Probably Multimedia Fusion 2.0 games/apps will also have this same DLL inside)

The Unpacked EXE has a dat file with the same name as the exe and a "modules" folder, this folder can have different names, but it will always have the mmfs2.dll inside.

Chowdren exported is a bit different, I don't know much of it since it's a paid conversion, but it usually has a Assets.dat and a data folder...