Bethesda says it is working with Sony to increase that limit. The Xbox One enables mods up to 2GB in size. Sony has put a 900MB limit on uploaded mods from community members using the creation kit. But while it was the under-powered PS3 hardware that caused troubles last generation, it is Sony software and policy that is the issue this time around. The PlayStation 3 version of Skyrim was infamous for its technical problems, and Bethesda spent months after the debut trying to fix its poor frame-rate and numerous bugs. Bethesda does not want to screw up the upgrade of its best-selling game ever, so expect it to do everything it can to sort out its PS4 issues before the October 28 release date. Getting mods working on PS4 is likely a top priority for Bethesda since it is planning to release an updated version of its beloved fantasy adventure The Elder Scrolls V: Skyrim with the same feature. Three top investment pros open up about what it takes to get your video game funded.