HOLD / UNRESOLVED
HOLD / UNRESOLVEDIDENTITY_ONLYUSER_DECISION_REQUIRED
San Francisco, CA, USA
Ultimate Fighting Bots
Permanent humanoid sports league combining human piloting and Physical AI.
San Francisco, CA, USA
Ultimate Bots / Ultimate Fighting Bots (independent league / operator; no higher corporate parent publicly identified) | Nebius (Season 1 presenting / compute partner, not parent)
IDENTITY_ONLY
3
https://ufb.gg/
Organization brief
Ultimate Bots combines humanoid competition with engineering development. Human pilots work with Ghost engineers to prepare robot motion policies, while the league supplies robots and support. Its programme spans martial arts and other performance disciplines, with Season 2 organized around four permanent teams and a shared prize pool.
Summary source · 2026-10-28Office and location evidence
Reported operating citySan Francisco, California, United States
City only · Reviewed 2026-10-28The handoff supplies no street headquarters. Temple SF, Frontier Tower (995 Market St) and Fort Mason are reported event venues, not headquarters evidence.
Source: supplied research handoff, October 28, 2026. No supporting URL supplied.Organization
- Organization role
- Humanoid sports league and event promoterReviewed 2026-10-28
- Status / historical scope
- Season 2 recruiting; earlier events archivedReviewed 2026-10-28
- Leagues / competition programs
- Ultimate Bots; earlier UFB eventsReviewed 2026-10-28
- Executive leadership
- Xenia — League CommissionerReviewed 2026-10-28First name and role as published by the league.
- Country
- United StatesReviewed 2026-10-28Documented U.S. event circuit; not a registered-office claim.
- Partnerships
- Nebius — credited as powering Season 2Reviewed 2026-10-28Homepage credits Season 2 as powered by Nebius.
Competition and participation
- Combat format
- Robot martial arts within a multi-discipline sports leagueReviewed 2026-10-28
- Robot platforms / scale
- League-assigned Unitree G1 for Season 2Reviewed 2026-10-28
- Control mode
- Human pilots with engineer-built motion policiesReviewed 2026-10-28
- Participation
- Pilot and Ghost (engineering) roles; league provides the robotsReviewed 2026-10-28
- Account Eligibility
- Accounts: age 13 or higher local digital-consent age; minors require guardian agreement.Reviewed 2026-10-28Account rule only; individual events can impose higher age limits.
- Team format
- Season 2: four permanent teamsReviewed 2026-10-28
- Rules summary
- Knockouts end the round, not the match. Kicks begin in round three. A knockout cancels strike scoring but preserves earlier zone points.Reviewed 2026-10-28
- Scoring
- Round strike winner: 1 point; each team can earn 1 zone point after 45 seconds; knockout: 2 points.Reviewed 2026-10-28
- Prize pool / edition
- Season 2: US$100,000 total prize poolReviewed 2026-10-28Season-wide advertised total; not a guaranteed individual award.
- Engineering Program
- Ghost Trials: recurring Physical AI challenges; published Trial 04 ran August 21–September 27, 2026.Reviewed 2026-10-28Historical deadline; current entry availability is not asserted.
- Training Tools
- Browser motion editor with video/motion upload and physics simulationReviewed 2026-10-28
Events, media and community
- Rules / gameplay
- Enter / participate
- Events / schedule
- Watch / replays
- Official replay portal; account login may be required.
Contacts and administration
- Contact page / form
- Privacy contact email
- Legal contact email
- Legal name
- M2M Economy, Inc.Reviewed 2026-10-28Organizer-published legal identity; no independent registry verification.
- Legal form
- Delaware corporationReviewed 2026-10-28
- Registration jurisdiction
- Delaware, United StatesReviewed 2026-10-28
- Privacy policy
- Terms / legal notice
Additional sourced details
- Captain Tactics
- Captains can activate a shared points multiplier or challenge the opposing captain; tied games use a chosen sudden-death format.Reviewed 2026-10-28Concise overview; official rulebook controls exceptions and timing.
Earlier evidence record
Robots, people and rules
- People and operator roles
- Xenia Bulatov; Vitaly Bulatov; pilots / teams 🇺🇸
- Chronology
- FIRST: 2025-07-05 · LATEST VERIFIED: 2026-08-18–19 · Actuate × UFB, Fort Mason
- Robot platforms
- HUMANOID · Unitree / Booster ecosystem
- Human control
- Esports-style pilots · VR: NO
- Control hardware
- Gamepads / keyboards / remote-game interfaces
- Control software
- Input-to-motion mapping; policies; simulation / training
- Rules and actions
- Punch, block, kick, move; pilot stays in loop
- Purpose and scope
- Permanent humanoid sports league combining human piloting and Physical AI.
- Announced Season 2 structure
- Four permanent teams, a league-assigned Unitree G1 per team and a $100,000 season prize pool, according to the organizer.
- Team roles
- Pilots compete in the arena; Ghosts build the Physical AI stack. Marketing references to autonomy do not prove autonomous operation of every bout.
- Schedule caveat
- Ultimate Bots lists TwitchCon November 12–15; TwitchCon's public show runs November 13–15, with wristband collection/partner activities November 12. Exact Ultimate Bots fight day/time remains unpublished.
- Source review date
- 2026-10-20
Evidence
Video evidence status: VERIFIED · OFFICIAL. Each source supports the scope stated below.
VERIFIED | Review 2026-10-20: Four permanent Season 2 teams, $100,000 season prize pool, league-assigned G1, pilot/ghost roles and official viewing link.
Current brand is Ultimate Bots; Season 2 and current competition structure are live
Official UFB footage shows multiple humanoid fights at BattleBots Arena in Las Vegas.
Current league identity / operating model
Announced dates, plus completed-event archive. Calendar dates are not host confirmation or outcomes.
Public show November 13–15; November 12 wristband collection and partner party only.
20+ YouTubers Fight Robots in a Cage (ft. NileRed, Hbomberguy, Slimecicle). Publisher metadata checked 2026-10-20; duration and successful browser playback remain unverified.
Additional identity sources
Source relationships (7)
Identity sources do not resolve classifier gates or establish an active league.
A1_OFFICIAL_PRIMARY · TEXT_OR_IDENTITY_ONLY · Last checked 2026-08-23
A1_OFFICIAL_PRIMARY · CAN_SHOW_OR_PROVE_QUALIFYING_RVR · Last checked 2026-08-23
A1_OFFICIAL_PRIMARY · CAN_SHOW_OR_PROVE_QUALIFYING_RVR · Last checked 2026-08-23
A1_OFFICIAL_PRIMARY · Four permanent Season 2 teams, $100,000 season prize pool, league-assigned G1, pilot/ghost roles and official viewing link. · Last checked 2026-10-20
A1_OFFICIAL_PRIMARY · Announced dates, plus completed-event archive. Calendar dates are not host confirmation or outcomes. · Last checked 2026-10-20
A1_OFFICIAL_PRIMARY · Public show November 13–15; November 12 wristband collection and partner party only. · Last checked 2026-10-20
A1_OFFICIAL_PRIMARY · 20+ YouTubers Fight Robots in a Cage (ft. NileRed, Hbomberguy, Slimecicle). Publisher metadata checked 2026-10-20; duration and successful browser playback remain unverified. · Last checked 2026-10-20