Works on versions of the game without GFWL, but for save to work, the SKIDROW or RELOADED tablet must be built into the game.

Details:

The game was completed on normal difficulty.

Game and game + completed 100%.

Harley quinn revenge DLC completed 100%.

Additional tasks completed 100%.

The Riddler's Revenge completed 100%.

The Riddler's trophies and riddles have been found and solved 100%.

All character trophies and concept art have been unlocked.

Which is 100% completion of the game.