Why I Love: XCOM's second wave options

I'm hard pressed to list a video game that wouldn't benefit from modifiers like XCOM: Enemy Unknown's second wave options. These are advanced gameplay modifiers you can enable to increase challenge or add replayability - similar to Skulls in the Halo series. It's shocking how a few tweaks to XCOM's turn-based strategy formula completely upend your strategy against the alien invasion. Some ramp up the