Here is the full list of all 18 Assassin's Creed Chronicles: China achievements worth 1,000 gamerscore.
Kill 100 enemies using the Helix Kill.
Kill 100 enemies in combat.
Escape alerts 30 times.
Inflict friendly fire from projectiles on 50 enemies.
Achieve the highest score and fastest time in each memory.
Complete every memory in the Plus or Plus Hard Game Modes.
Collect all the Animus Shards.
Open all Scroll Chests.
Save all the Concubines in Memory Sequence 9.
Shadow Gold past 30 patrols.
Complete Assassin's Creed® Chronicles: China.
Complete Memory Sequence 11 without being seen.
Assassinate all enemies in the ambush in Memory Sequence 8 without taking a single hit.
Slide assassinate 25 enemies.
Escape the burning port in under 5 minutes.
Hide 50 bodies.
Assassinate 100 enemies.
Assassinate Gao Feng.