Killzone: Mercenary could be PS Vita’s biggest game so far considering a day 1 patch totalling about 1190MB takes the game size to approximately 4.5GB.
As you can see in the image below it is for “stability fixes and performance optimisations” and it’s weird what that is almost 1GB in size. Day 1 download is usually inconvenient to most users but this seems like a vital patch.
We will keep you updated once we learn more about this. Tell us what you think in the comments section below.