Worth buy Shadow Warrior 2013 on -75% ?

yes

Probably not

Maybe this helps - http://www.gametrailers.com/reviews/npggu2/shadow-warrior-review

its very good

Better then HL3 probably.

Of course. I bought special edition when it was on -33% and I don't regret

Yes, it is very good, especially the katana, such rewarding feedback when using it to dismember enemies!

Yes Yes Yes

yes!

Yup.

Yes

Yes. It's a faithful and redone remake / prequel of the original, and a hell lot of fun.
It's what Duke Nukem Forever should have been like.

Yes and yes.

Incredibly fun, great story and great mechanics. Certainly one of the best games of 2013.

Fuck yes.

Pre-ordered it, did not regret.

Definitely yes, it's a great game.

Of course !!! buy it!!