Academy doesnt work

[One Winged Angel]

When I do basic research I never unlock new technology.
Do you know why?
Is it an online-only feature? (I play offline)

[FluffyNo3]

There is only a certain amount of basic research you can do

[EVIL Shenanigans]

Not an 'online-only' feature.

Academy 101;
There are 8 categories of research that you may explore.
2/8 are relatively straight forward - 'Basic' and 'Fertilities and Resources'.
The latter should be self-explanatory, especially after browsing it.
The former ('Basic') is the simplest way to generate licences - the alternate in-game monies.
This process also unlocks 'formulas' (recipes) for technology within the other 6 categories.
...which is precisely why there are 6 different projects within the 'Basic' category.

So, you aren't unlocking a formula upon completing some 'Basic' research? - you've probably unlocked all the formulas of that specific category, and should either start any desired research within that category, or move on to one of the other 5 which may still need to be unlocked.

If a category looks incomplete (such as 32/36 Ecobalance Buildings), it likely means that you've purchased some DLC yet haven't unlocked it's capabilities through req gameplay benchmarks.

[One Winged Angel]

Thanks for your answer.
My research in production buildings is 9/53, but I never unlock a new technology.

[One Winged Angel]

The game even says that I researched a new formula, but it is not unlocked in the academy.

[EVIL Shenanigans]

Apologies for the stupid questions, but are you absolutely sure that the research you have selected (and are performing) at your academy is under the 'Basic' tab and is titled 'Production building Research'? - are you sure that it didn't actually increase from 8/53 to 9/53, instead of *not* increasing from 9/53?

...it's just unlikely that you'd be experiencing such a specific problem in such an old well-patched game. For example, in one of my games, I'm actually working on the same thing - at 28/52 production formulas and going strong.

Otherwise, it might just be a restriction of the mission you're on ...say, maybe during the campaign, there may be absolutely no reason for you to research other formulas (just a guess).

[One Winged Angel]

Yes, I have 4 academies so I am absolutely sure that I researched basic - production with all 4 academies and nothing changed.
I play a custom map ("Inselschubser") without having played the campaign.