The developer Rocksteady and publisher Warner Bros. are finally ready to re-release the game on PC. The game will be back on Steam on October 28 and of course will be available for free to those who already purchased it.
WB will also be releasing a patch that will bring the PC version up-to-date with all the content that was released so far on the consoles (excluding the exclusives). Unfortunately, there are no compensations being provided to existing buyers for all the frustrations that was caused, which is now causing more frustration among some. But if you just want to play the game, it will be out in two days.
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