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