Perfect Dark

The crown system is new and unique to Perfect Dark XBLA, there are a set number of crowns to unlock, much like in-game achievements and you have to complete a hidden objective to unlock each one. In the Perfect menu > Help & Options > Awards, you can check which ones you have unlocked

If a weapon is listed and you cannot find it, it may be hidden. Check out this guide for hidden weapons information.

Single Player Levels
1. No Help Needed dataDyne: Defection, 15 kills with auto aim disabled [PA]
2. Close Proximity dataDyne: Research, Get 3 or more kills with the hidden Proximity Mine [A]
3. Good Enough For Clint dataDyne: Extraction, 8 headshots with the hidden magnum [A]
4. Way Of The Assassin Carrington Villa, No Scope Headshot 5 enemies with the hidden sniper rifle [PA]
5. Quickly Does It Chicago, Complete all three objectives in rapid sucession of each other [A]
6. Bow To The Audience G5 Building, 8 kills with the hidden crossbow (secondary function)[A]
7. Rapid Radar Shut Down Area 51: Infiltration, Blow up the radar in less than 60 seconds [SA]
8. Master Of Disguise Area 51: Rescue, obtain and wear the lab coat in under 1:30 [SA]
9. Easy Rider Area 51: Escape, Leave the base via Hoverbike in under 30 seconds [A]
10. I Want To Be Sedated Airbase, Use the Drug spy on 6 people in less than 30 seconds [SA]
11. Presidential Predication Air Force One, Complete objective 3 first then finish the level quickly (co-op) [A]
12. Magnum P.D. Crash Site, Use Trent's golden magnum to kill the clone [A]
13. Tick Tick...Boom Pelagic II, Kill 4 enemies with 1 N-Grenade [A]
14. Can't Touch This Deep Sea, Beat objective 1 without taking damage [PA]
15. Run And Gun Carrington Institute, complete objectives 1 & 2 in less than 1:30 then finish (co-op) [A]
16. Against All Odds... Attack Ship, Kill the big Skedar (dual maulers) on the bridge with the slayer in 8 mins [PA]
17. RockedSkedar Ruins, complete the first objective within 30 seconds [PA]

Special Assignment Levels
18. Invisibility Factor Mr Blonde's Revenge, Do not use the Cloaking Device [SA]
19. Magnum Forced Maian SOS, use the Psychosis gun on the dual gold magnum guy then let him kill 5 enemies [PA]
20. Three Kings WAR, beat the level in 1:40 killing each king with a charged up mauler headshot [PA]
21. Perfect Head The Duel, Headshot all 3 enemies within 25 seconds [PA]

Others
22. Ninja For melee kills in combat simulator
23. The Name's Dark...Perfect Dark. Complete all 21 levels on Perfect Agent with auto-aim off [PA]
24. Bronze Complete all 21 levels on Agent in 0:48:00 total
25. Silver Complete all 21 levels on Secret Agent 1:09:00 total
26. Gold Complete all 21 levels on Perfect Agent 1:35:00 total

Unlockables
27. Gamer Picture 1 Get all 4 Multiplayer awards in one match
28. Gamer Picture 2 Get 201% Overall on the leaderboard (complete)
29. Avatar Award 1 Any Level, Kill any enemy with a headshot
30. Avatar Award 2 Complete any Special Assignment on any difficulty
31. Perfect Dark Theme Get at least 1 kill with all 32 weapons in any mode

For a more in-depth guide visit: Echtzeit's Crown Guide
Also see: NS JimMenaMan's Crown Video Guides

When you have collected your 31st Crown you will be awarded your achievement!