I bought a set of 8 of the best rated rechargeable double AA batteries on Amazon for like $15. They last a long time in-between charges and can be recharged like 1,000,000 times or something crazy like that. I like the idea of the NIKO system, but where my Xbox is it would be extremely inconvenient to use this -and more expensive. Plus that side USB port is important to remain free, as it's way more convenient than using the back ones.
@shinrae5 Tomb Raider's contract with MS is similar to that of Dead Rising 3. It eventually came to PC but it still isn't on PS4. I wouldn't hold your breath for the new Tomb Raider on PS4 anytime soon... Maybe when next gen is released in 10 years.
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