In order to get this achievement you will have to unlock the following achievements:
This includes:
- 13 Halo CE Skulls
- 15 Halo 2 Skulls
- 13 Halo 3 Skulls
Below you can find guides for all skulls across all 3 of the above games.
Halo CE[
0:09] - Skull: Iron - Mission: The Pillar of Autumn
[
0:30] - Skull: Mythic - Mission: Halo
[
1:14] - Skull: Boom - Mission: Halo
[
2:06] - Skull: Foreign - Mission: Truth and Reconciliation
[
2:31] - Skull: Famine - Mission: The Silent Cartographer
[
3:22] - Skull: Bandana - Mission: The Silent Cartographer
[
4:03] - Skull: Fog - Mission: Assault on the Control Room
[
4:27] - Skull: Malfunction - Mission: Assault on the Control Room
[
4:59] - Skull: Recession - Mission: 343 Guilty Spark
[
5:43] - Skull: Black Eye - Mission: Library
[
6:21] - Skull: Eye Patch - Mission: Library
[
7:26] - Skull: Pinata - Mission: Two Betrayals
[
8:31] - Skull: Grunt Birthday Party - Mission: The Maw
Halo 2[
0:13] - Skull: That’s Just Wrong - Mission: The Armory *
[
1:46] - Skull: Thunderstorm - Mission: Cairo Station *
[
2:37] - Skull: Blind - Mission: Outskirts
[
3:13] - Skull: IWHBYD - Mission: Outskirt *
[
5:52] - Skull: Catch - Mission: - Metropolis *
[
6:50] - Skull: Grunt Birthday Party - Mission: The Arbiter *
[
7:39] - Skull: Famine - Mission: The Oracle *
[
8:09] - Skull: Envy - Mission: Delta Halo *
[
8:50] - Skull: Assassins - Mission: Regret
[
9:49] - Skull: Mythic - Mission: Sacred Icon *
[
10:32] - Skull: Sputnik - Mission: Quarantine Zone *
[
11:18] - Skull: Anger - Mission: Gravemind *
[
12:29] - Skull: Ghost - Mission: Uprising *
[
13:10] - Skull: Iron - Mission: High Charity *
[
13:45] - Skull: Black Eye - Mission: The Great Journey *
* Legendary Difficulty Only
Halo 3[
0:09] - Skull: Iron - Mission: Sierra 117
[
0:34] - Skull: Blind - Mission: Sierra 117
[
1:27] - Skull: Black Eye - Mission: Crow’s Nest
[
1:54] - Skull: Grunt Birthday Party - Mission: Crow’s Nest
[
2:33] - Skull: Tough Luck - Mission: Tsavo Highway
[
3:24] - Skull: Catch - Mission: The Storm
[
4:02] - Skull: Fog - Mission: - Floodgate
[
4:42] - Skull: Famine - Mission: The Ark
[
5:40] - Skull: Cowbell - Mission: The Ark (Grav Lift Required)
[
6:27] - Skull: Thunderstorm - Mission: The Covenant
[
7:19] - Skull: IWHBYD - Mission: The Covenant
[
8:38] - Skull: Tilt - Mission: Cortana
[
9:20] - Skull: Mythic - Mission: Halo