MechWarrior 5: Mercenaries - Call to Arms is an action-packed expansion for the PlayStation 4 platform, enhancing the base game with a wealth of new content. This expansion introduces the Hatchetman chassis, which is specifically designed for melee combat, along with 23 new variants of 'Mechs that emphasize melee weaponry. Players can also explore 5 new Hero 'Mechs that are tailored for close-quarters combat, expanding tactical options in gameplay.

In addition to the new 'Mech variants, players will find 9 new melee weapons to diversify their combat strategies. The expansion also features the animated Stormsurge skin, adding a unique visual flair to the 'Mechs. Overall, Call to Arms enriches the MechWarrior experience by focusing on melee combat enhancements, making it a significant addition for fans of the series.