CD2: Trap Master is a game that mixes real time tower defense with the deckbuilder roguelike genre. It is a lot of fun, so I recommended if you are into one of these genres.

You can check out my gameplay here https://www.youtube.com/watch?v=wc_ts6C0E_w&list=PLT5rv-oPwpUpvJcdhlUm4ObV0Y1a2eHUt&ab_channel=Black_Stark2

There shouldn't be any issue with the key, but it is a few months old and I completely forgot I had it, so, please, let me delete the giveaway if it doesn't work.