Halo 5: Guardians is packed with content including amazing easter eggs and lots of secret, mythic and legendary weapons. Some of these can only be acquired through purchasing REQ packs, but the rest 16 unique weapons can be found in both single campaigns and cooperative maps for free. This guide will help you find all the secret weapons in Halo 5 that do not require REQ packs.
Some of these weapons may be hard to find, but they are worth it. Each weapon is a modified variant of the standard setup, but with much better stats that give you higher fire rate, range, scope and ammunition capacity. They also look slightly different and carry a personalized paint job.
We give you a full description on these weapons locations with accompanying videos for your convenience.