WTF? Worms Reloaded apeared on my account(but I didnt won anything)

Allrhight so here is the thing... Everytime I log into steamgifts I check Giveaways > View Won... just like 5 minutes ago - No resoults, than i wanted to spread my points all over giveaways like Worms Reloaded... Want to click enter and what I see? THIS GAME EXIST ON YOUR ACCOUNT - WTF? No replies, no info, nothing. I log into steam - Worms Reloaded on my game list... checking out community section - no info bout this happening - than i moved to store/Worms Reloaded - And this section doesnt read Worms on my account... What the hell guys? :D