•  500 Helix Credits

These will automatically be added to your Helix Credits Balance. You can check this in the game menu at the top of the screen.

•  Permanent XP Boost

This will appear next to your XP bar in-game.
A gold XP icon will appear and your XP bar will show as gold rather than blue. 

•  A Long Night Mission

This can be accessed in-game from the Train Hideout after completing Sequence 3.

•  Steampunk Pack

This can be found in your inventory after completing Sequence 3.

•  Victorian Legends Pack

This can be found in your inventory after completing Sequence 3.

•  Jack The Ripper Campaign

This can be accessed from the main menu. The option to start the campaign will appear below Continue. 

•  The Streets of London Pack

The two missions can be accessed after completing Sequence 3.
The Darwin and Dickens Conspiracy missions will appear on the map as a C and D icon.
The Runaway Train mission can be accessed from the Train Hideout. 
The 6 pieces of gear, 13 weapons and 3 outfits can be found in your inventory after completing Sequence 3. 

•  The Last Maharaja Mission Pack

This mission will appear as an 'S' icon on your map after completing Sequence 3.