Ubisoft has made their Assassin’s Creed Unity free game offer live. However, the offer’s T&C’s expressly tell you to waive the right to sue Ubi for the game.
You can read the text of said provision here:
You hereby irrevocably and unconditionally RELEASE, WAIVE, AND FOREVER DISCHARGE AND COVENANT NOT TO SUE Ubisoft Entertainment S.A., and each of its past, present and future divisions, parent companies, subsidiaries, affiliates, predecessors, successors and assigns, together with all of their respective past, present and future employees, officers, shareholders, directors and agents, and those who give recommendations, directions, or instructions or engage in risk evaluation or loss control activities regarding the Campaign (all for the purposes herein referred to as “Released Parties”) FROM ANY AND ALL LIABILITY TO YOU, your assigns, heirs, and next of kin FOR ANY AND ALL CLAIMS, DEMANDS, CHARGES, LAWSUITS, DEBTS, DEFENSES, ACTIONS OR CAUSES OF ACTION, OBLIGATIONS, DAMAGES, LOSS OF SERVICE, COMPENSATION, PAIN AND SUFFERING, ATTORNEYS’ FEES, AND COST AND EXPENSES OF SUIT, KNOWN OR UNKNOWN, SUSPECTED OR UNSUSPECTED, ARISING OUT OF OR RELATED TO THE PURCHASE, ACQUISITION, RENTAL, POSSESSION AND/OR USAGE, AND/OR THE INTENT TO PURCHASE, ACQUIRE, RENT, POSSESS AND/OR USE, THE ASSASSIN’S CREED UNITY VIDEO GAME AND/OR THE ASSASSIN’S CREED UNITY SEASON PASS ON ANY AND ALL PLATFORMS, AND/OR RELATED TO THE CAMPAIGN, WHETHER CAUSED BY THE NEGLIGENCE OF THE RELEASED PARTIES OR OTHERWISE.
If you want to redeem the game knowing this, you can do so here.