Complete the indicated task to unlock the corresponding cheat option. Note: Cheats can only be enabled while replaying memories.

Ride the Unicorn: 100% Total Synch on Sequence 1.
Buns of Steel: 100% Total Synch on Sequence 2.
Killing Spree: 100% Total Synch on Sequence 3.
Sisterhood: 100% Total Synch on Sequence 4.
Ultimate Guild: 100% Total Synch on Sequence 5.
Unlimited Assassin Signals: 100% Total Synch on Sequence 6.
Desmond Skin: 100% Total Synch on Sequence 8.