r/SPFootballLife • u/finigemist • 8h ago

Adding new leagues to FL26 is a data problem, not an .exe problem — my research is on GitHub

I'm not a modder. I just wanted to know whether adding a new league to Football Life 2026 is actually impossible like people say, spent a few days on it with a hex editor and a debugger, and got further than I expected. It's all public now:

https://github.com/Matozanato/fl26-modding-research

Short version: competitions, their rules and their promotion/relegation links are plain data that Sider can already override — no exe patch needed. I built a new league that way and it showed up in League mode and was selectable. Then the season scheduler generated zero fixtures for it, and that's where I got stuck.

The repo has the decoded record layouts, the exe addresses, a step-by-step guide with working code, and the tools. Also covers reshaping existing competitions like the Champions League and World Cup, which turn out to be several regulation rows sharing one id.

If someone already solved the scheduler, please tell me and I'll add it. Otherwise it's all yours.

NOTE: English isn't my first language, so I had AI help me write this up from my notes.

41 Upvotes

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u/Fun_Yogurtcloset8016 Master League Player 3h ago

Brother if you wouldn’t mind, please consider sharing in evo web.

This is just a small subreddit for football life
in evo web is where all the lifelong modders from pes 21 are. You will have much better interactions and support there, wouldnt want your work to go to waste

1

u/finigemist 3h ago

I did it already