Unleashed

Unleashed is the 34th "season" update to STO video game: Star Trek Online, to be released for PC on 23 September 2025. Unleashed continues the storyline begun in Incursion and carried on in Both Worlds, Unparalleled and Unveiled about multiversal conflict between the Khitomer Alliance, Aetherian Concordium and various Borg nations.

This season showcases two xB characters, Borg Cooperative Director Hugh and Special Ops Seven of Nine, voiced by Jonathan Del Arco and Jeri Ryan, respectively.

Missions[]

"Kings & Queens" story arc
- "Best Laid Plans": Director Hugh convenes a conference on Deep Space 9 to capture Thaseen-Fei.
Task Force Operations:
- "Shattered Peace": Seven of Nine leads a task force in the defense of Khitomer HQ on Khitomer II.

Star Trek Online dev blogs are posted to the STO website.
"Unleashed - Coming September 23rd", announces the season. The cover art features the return of Hugh and Thaseen-Fei from Season 33: Unveiled, plus Captains Va'Kel Shon and Seven of Nine.
"Command the Omega Miracle Worker Light Battlecruiser!", published on 22 October 2025, elaborates on the Omega-class miracle worker light battlecruiser from IDW's The Last Starship comic series, previously shown off in a Twitch livestream.
"The Fall of the Old Ones!", published the same day, details the parts and rewards of the annual Halloween event.

Star Trek Online seasons and expansions
Common Ground • Ancient Enemies • Genesis • Crossfire • Call to Arms • Under Siege • New Romulus • Legacy of Romulus (expansion) • The Sphere • A New Accord • Delta Rising (expansion) • The Iconian War • New Dawn • Agents of Yesterday (expansion) • Reckoning • Escalation • Emergence • Victory Is Life (expansion) • Age of Discovery • Mirror of Discovery • Rise of Discovery • Awakening • Legacy • House Divided • House Shattered • House Reborn • House United • Reflections • Shadow's Advance • Stormfall • Ascension • Refractions • Unraveled • Incursion • Both Worlds • Unparalleled • Unveiled • Unleashed