Here is the full list of all 32 Dynasty Warriors: Strikeforce achievements worth 1,000 gamerscore.
Used all Card Tactics.
Collected all Weapons.
Completed all Quests.
Collected all Orbs.
Collected all Chi Skills.
Upgraded all City Facilities to maximum.
Collected all Legends.
Completed Wei's Story.
Reached Level 50.
Completed Shu's Story.
Completed Chapter 6 in any Story.
Completed Wu's Story.
Completed Chapter 4 in any Story.
Completed Chapter 3 in any Story.
Completed Chapter 2 in any Story.
Completed Chapter 1 in any Story.
Issued first command to Allied Officer.
Completed first online Quest.
Connected to Online City for the first time.
Used first Card Tactic.
Powered up first weapon.
Acquired first Chi Skill.
Made first weapon.
Made first Orb.
Completed first Quest.
Defeated first Officer.
Defeated first Weaponry.
Defeated first rank and file soldier.
Gain all achievements.
Trade Officer with another player for the first time.
Collect all Officer Cards.
Collect all Treasures.