GI: PopCap latest installment in its Plants vs. Zombies franchise was a bit unorthodox, to say the least. Rather than follow up with yet another dose of reliable lawn-defense action, the studio decided to create an action-packed shooter, in the style of a Battlefield or Call of Duty.
It’s just the most recent in a long line of head-scratching experiments and mashups that game developers have dabbled in over the decades. Whether it's a surprise left turn from a well-known franchise or a bizarre partnership, we take a look at some of the strangest examples we could think of. Let us know if we missed any of your favorites in the comments.