8 Video Game Secrets That ONLY Appear On Halloween

2. Zoo Tycoon

This next entry is almost a secret simply for how quickly you'll have to act in order to reap the benefits and can be found in the wonderfully micro-managing zoo simulator Zoo Tycoon. Time sure flies when you're having fun, but it also flies by at breakneck speed in Zoo Tycoon, with days lasting mere seconds.

In fact, playing this in real time and watching the in world whizz by so quickly might even give you pause for thought on the mortality of humanity, of our place on this infinitesimal speck of dirt rolling through a cold and empty vacuum of sp-

HEY LOOK A PUMPKIN!

Yes, that's right: if you manage to pause the title as it hits October 31st, and go to the purchase menu, you'll see that there are now new items for sale including a Jack O'Lantern. It's not the only trick this game pulls because if you play the game on October 31st in real life, then all of your buildings and guests' clothing will change to black and orange to help get you in the mood!