Officially recognized as a war between the New United States of America and the autonomous Free States, the Unification War is also considered a proper corporate war by scholars, due to the essential participation of the Militech and Arasaka corporations. The conflict is also referred to as the Metal Wars, referring to the wide use of cutting-edge military technology, including many armored vehicles such as the panzers.
In 2069, the recently elected President of the NUSA, Rosalind Myers, presented a unification program to extend federal rule over the separatist Free States under the pretense of strengthening the nation. Most of the those states opposed unification, leading to an inevitable conflict. The NUSA, backed by nationalized Militech forces and with the support of the former Free States of Southern California and Utah, declared war on the loosely alliance of Free States: Colorado, New Mexico, Wyoming, Montana, Arizona, Nevada, and Northern California. Washington, Oregon, and Idaho remained neutral in the conflict at the price of making some concessions to the federal government. The Republic of Texas didn't join the alliance, instead had its own agenda and went against both the NUSA and the Free States.
The New United States was the first to act, striking at the states of Colorado, New Mexico, Wyoming, Montana and Arizona; aided by South California and Utah.
Seeking to re-establish its influence on North America, the Arasaka Corporation took the opportunity of the war and secretly financed the Free States.  Even though, despite the new weapons and the corporative "security advisers," the alliance was pressed hard by the NUSA military; made up mostly of Militech's advanced technology and personnel, and backed up by the rest of federal states.
By 2070, the federal forces had occupied every warring Free State with the exception of Texas and Northern California.
To the south, bordering with the NUSA-allied SoCal, the NorCal metropolis of Night City had avoided the fighting so far by maintaining a position of neutrality, but only barely. Its citizens had been holding their breath as they waited for an invasion from their neighbor, and fears of such an attack caused corporations to pull all of their funding from the ongoing development of the Pacifica District.
Eventually, a NUSA Army division was sighted approaching the city outskirts. They were prevented from invading Night City thanks to the actions of then councilman Lucius Rhyne, who used his decade worth of contacts in the Night City Council and begged the long-shunned Arasaka for protection. Within days, an Arasaka supercarrier showed up in Del Coronado Bay. Just a few hours later, the NUSA Army retreated.
Treaty of Unification
Following Arasaka's intervention, all parties were unwilling to commit to a full-scale war, and soon afterwards a peace treated was proposed. President Myers agreed to the terms, as the NUSA was not able to afford the costs of such a conflict escalation. Signed in Arvin, South California, the Treaty of Unification signalized the end of the war.
The treaty ensured the Free States would remain autonomous, though they had to extensively cooperate with the New United States, agreeing to participate in the federal government and cease hostilities among themselves. Night City managed to maintain its full autonomy, seceding from both the North Californian and NUSA laws and governance, becoming an international free city. Texas didn't participate in the signing, remaining an independent and hostile state to the NUSA. Arasaka was the one who gained the most, as the ban imposed after the Fourth Corporate War was lifted and the corporation could return to North America.
The peace treaty was unsatisfactory to most parties but was considered preferable than continuing the war and risking another global crisis. Despite this, both sides claimed victory. The Free States emphasized they had preserved their independence, and the NUSA boasted that they were closer than ever to reunify the divided American people.
Night City's newfound freedom came at a price, as corporate interests were once again permitted in the city borders. This lead to an increase of corporative influence, and with the corporations pumping money into revitalizing the metropolis to establish a foothold on the West Coast. The symbolic capstone of these events occurred later that same year, when the newly elected mayor, Lucius Rhyne, and the City Council allowed Arasaka to build their new American headquarters downtown, on the site where the previous one had been destroyed in 2023.
A concreate border wall between South and North California was built after the War by the New United States. Despite not being a part of NorCal anymore, the NUSA still treated Night City as NorCal citizens, thus the border was extended through the Badlands south of the city.
- The Unification War (sometimes called the Metal Wars) was a series of armed conflicts spanning from January 2069 to June 2070.
- It was fought between the NUSA (New United States of America) and the Free States, supported by Militech and Arasaka respectively. The conflict's name differs depending on who you ask; NUSA/Militech supporters call it the Unification War, whereas Arasaka Corp. and certain Free States have preferred the name Metal Wars. North California (NorCal) stood on the side of the Free States while South California (SoCal) stood by the NUSA. (Note: Night City remained independent throughout the conflict.)
- The war was finally concluded by a ceasefire signed in Arvin, SoCal. However, both sides declared victory for themselves and found the terms of peace largely unsatisfactory, causing many to believe the outbreak of another armed conflict is only a matter of time. The Free States were obliged to forfeit their independent status (albeit only on paper, as they would remain autonomous in practice).[sic] Ultimately, the NUSA chose to accept the conditions of this peaceful resolution rather than risk escalation of the war across the globe, resulting in potentially millions of casualties and, more importantly, a deep recession.
- Arasaka and Militech suffered heavier losses than any other corporation or government body involved in the conflicts. Both megacorps lost billions of eurodollars in military equipment, and because Militech had their own boots on the ground they additionally lost the lives of thousands of soldiers whom they staunchly refer to as "independent consultants."
- During a community podcast, it was revealed by R. Talsorian's JGray, that the United States Armed Forces are still the most powerful military force on Earth, and possesses the means to wipe out a majority of threats, including that of the military strength of corporations like Arasaka or Militech. However, the cost would be too high and in the end would not be worth the struggle that would destroy the country as a whole like it happened after the Fourth Corporate War.
- The Unification War... for Gonks!
- BATYLDA, M. The World of Cyberpunk 2077. 1st ed. Milwaukie, OR, Dark Horse Books, 2020. (pg.22-23);
- LUDKOWSKI, Ł. Cyberpunk 2077 World Compendium. Manual. Poland, CD Projekt S.A., 2020. (pg.4)
- PIGGYBACK. Cyberpunk 2077 - The Complete Official Guide. Standard Edition. Piggyback Interactive, 2020. (pg.18)
- The Wall
- CD Projekt RED. Cyberpunk 2077. Video Game, Multi-Platform. Poland, CD Projekt S.A., 2020.
- Cyberpunk 2077 Community Podcast #83 - Cyberpunk Red Lore Discussion! (Guest - RTalsorian's JGray)