Call to Arms adds the Hatchetman chassis, along with 23 new melee-weapon focused 'Mech variants, 5 new melee weapon-focused Hero 'Mechs, 9 new melee weapons, and the new animated Stormsurge skin. Explore the new Scrapyard, Tourmaline (Rubellite), and Hoodoo Desert biomes, available throughout Campaign and Career modes, and Instant Action. Call to Arms is all about amping up the destruction with new Melee weapons.