In Halo 5: Guardians REQ-Packs contain useful game items that you can use in the multiplayer mode "Warzone". Normally you have to buy them with real money or game currency. But there are some REQ packs you can get free. What you can get for free and what options you have, we'll show you below.
Halo 5: To get free REQ packs
1. Visit to the Halo Waypoint website and join a Spartan Company. These correspond to clans with 5 or more members.
2. Visit to the Halo Experience website and watch all the 10 videos (5 for the Master Chief and 5 for Locke). For this you get a REQ-Pack with a weapon skin for the Assault Rifle Vengeance.
3. Download and Install the Halo Channel app for Android, iOS or Windows Phone and watch each video in the application. For this you get a REQ-Pack with the Halo Channel emblem.
4. Watch the fourth episode of Halo: Nightfall using the Halo Channel App. You will receive for the Nightfall helmet.
5. Watch all five episodes of Halo: Nightfall on the Halo Channel App. For this you get a REQ-Pack with the Nightfall armor.
6. Plays Halo 5: Guardians before November 7, to obtain a REQ-Pack with Teishin armor and the Teishin helmet.
In addition, if you start the game with 7500 REQ points, then you can buy three REQ packs with game currency. If you have the Halo Master Chief Collection then you can also earn REQ packs by playing the previous Halo titles. Here you can unlock REQ packs with the following actions.
1. Complete a mission in single player or in multiplayer match to obtain helmet and armor of the Mark VI Gen. 1
2. Complete the Cairo Station Mission in Halo 2 to obtain helmet and armor of the Mark VI Gen 1 Scarred.
3. Complete the campaigns of all Halo games on the legendary difficulty to get the helmet and armor of Helios Krill.