A couple of achievements don't update anymore (I've tested them). Perhaps due to the new client. Some are also due to mod updates. For example, "Lei si le" cannot be achieved by any new members because the mods now played in public servers is wushu3.tbm. Others are: "Bushido" doesn't update at all anymore even when playing aikido.tbm. "Hitting air" simply doesn't update anymore. "Glass Joe" does not update. "Green Fingers" does not update due to joustingfixed.tbm being used in regular servers. "Fast Warrior" does not update due to new tk mods being used.

Even some of the mod related achievements, when playing in the specific mod (the oldest version of it) it still does not update. No big rush I guess, but I think these achievements should get fixed so new players can actually get them again, and also just in case they are put into the steam version.

Note: the ones I've listed are the only ones I know about, as far as I can tell all the full item achievements still work, but I can't say the same about any others that I have not tested.

Supported, the decap achivements are broken, and the 1337 and 500 rank achivements too. And not only this ones.

Decap achievements are fine, mine have updated recently actually. All rank achievements are borked because the elo ranking system. I think those are now based on your belt rank, which is silly.

edit: didn't mean for this to be a suggestion to support, a bug fix more like.

"I Made a Mod" also not working.

Also there is no full vortex achievemnet
And is there a time period to do the decaps for example or to obtain 1000 games played in some mod?
And how to get graduation achievements?

Hnnnnnnnng achievements achievements achievements... Fuck I'm sick of reading that word.

Yeah they're broke, and have been broke for years. TBH they need redone, or scrapped in favour or whatever is going on with Steam ones - then link the two so they're synced or summit.

For the decap achievements they have to be done within 1 week iirc.
So either 25, 50 or 100 decaps within a week and you should get it soon after that when it updates and whatnot.
The '1000 games played' in the specific mods are broken.

For the graduation achievements you have to take tests for each of them.
Click here for the thread on how to do that.