The cancellation of season passes for Assassin's Creed Unity resulted in free DLC for the action/adventure sequel, but the release of new Secrets of the Revolution DLC on Steam provides the chance to buy additional content for the game, including missions, weapons, and gear. Here's word:

The Revolution is not over, the people of Paris still need your help.

Discover the last secrets of the French Revolution with this pack including:

• 3 missions: “The Chemical Revolution”, “The American Prisoner”, and “Killed by Science”
• 8 weapons ranging from powerful rifles and pistols, to razor-sharp axes and swords
• 6 pieces of gear to equip Arno with the finest and most resistant armor