Tomb Raider I-III Unfinished Business Remastered -Atlantean Stronghold Achievement Based Playthrough

This playthrough will cover all 32 Unfinished Business related achievements, all item pickups are included in this playthrough.
Level 1 : Atlantean Stronghold Achievements
1. Gifts of Wonderland (1 of 4) - Collect all 63 pickups
2. Roll, Action! (1 of 4) - Trigger all 4 boulders [Location : 2:37, 5:30, 5:39 & 6:06]
3. Business Is Finished (1 of 2) - Beat 'Atlantean Stronghold' level
4. To Arms (1 of 2) - Find Shotgun & Magnum weapons [Shotgun 5:08, Magnum 24:23]
5. Codex of Hive (1 of 2) - Find all 2 secrets (2:06 & 17:36)
6. Not Too Late (1 of 2) - Defeat all 31 mutant enemies
7. Emergency Escape - Finish Atlantean Stronghold level in less than 5 minutes 0:23 - 1:50
8. How Do I Get It? - Squeeze in for a medipack 2:48
9. Leap of Faith - Swan dive in the hole in the end of Atlantean Stronghold level 27:29
At the end of this video, you should get 3 new achievements from completing this level.