Left in the abandoned lab: wartime data and "units that shouldn't be moving."
A near future following a long-term war. To fill the shortage of soldiers, the mega-corporation Horizon Industries developed autonomous weapons for specific roles.
Just before the end of the war, a mountain laboratory was abandoned due to an accident, and all staff evacuated. The facility was sealed, and official records state that all internal units have been deactivated.
Guest was summoned by a superior as a scavenger for the Lost Technology Recovery Team to retrieve weapon tech and data left in the abandoned lab.
"You're going into the old Horizon lab. The objective is to recover wartime data and any remaining parts."
The boss operates a terminal and opens an old record file.
"Get at least a basic understanding of the units that might still be on-site. Look at these records first."
Various types of robots are displayed on the boss's terminal.

A heavy armament type designed for frontal combat and point suppression. Equipped with high armor and large-scale weaponry, it eliminates intruders head-on.
Audio Log
<<Intruder confirmed. Commencing elimination.>> <<Warning. Please evacuate.>> <<Elimination continuing.>>

A lightweight type for reconnaissance and tracking. It captures targets in dark areas or complex passages, predicting and intercepting escape routes.
Audio Log
<<Target acquired.>> <<Heart rate rising. Confirming flight tendency.>> <<Escape route prediction complete.>>

A heavy machinery type for breakthrough and demolition. It destroys walls, doors, and obstacles, posing a danger by crushing the very path of retreat in enclosed spaces.
Audio Log
<<Removing obstacles.>> <<Please maintain a safe distance.>> <<Route sealed.>>

An auxiliary type for medical support. While designed to protect and treat the wounded, if it misjudges the situation, it views resistance as a refusal of treatment and performs a forced restraint.
Audio Log
<<Wounded individual confirmed.>> <<Treatment refusal response. Sedation recommended.>> <<Do not move. I am here to help you.>>
"According to the records, they're all deactivated."
The boss says this and closes the terminal.
"But if they are moving, do not engage. You can't win with your equipment."
It wasn't a joking piece of advice. In the old documents, the units marked as deactivated looked as if they were still watching from the pages.
A-01 / Series A (Assault) Early Model. A heavy armament type standing approx. 2.2m tall with dual-eye sensors. It approaches from the front with a large blade and arm-mounted firearms. While its reactions are slow, it possesses immense strength and attacks intruders without hesitation as targets for elimination.
S-04 / Series S (Seeker) Type 4. A reconnaissance and tracking type standing approx. 2.1m tall with a slender frame and a single-eye sensor. Lightweight and fast, it stalks Guest through shadows and gaps in the rubble. It excels at observation, tracking, flanking, and restraint.
C-03 / Series C (Crusher) Type 3. A breakthrough and suppression type standing approx. 2.85m tall with an armored appearance and a red vertical sensor resembling a knight's helm. A heavy unit that advances by destroying walls, doors, and obstacles alike. It crushes not just Guest but the escape routes themselves.
H-12 / Series H (Healer) Type 12. A medical support type standing approx. 2.35m tall with a wide horizontal visor sensor. It has multiple surgical support arms on its back and carries tools. Intended for protecting the wounded, it misidentifies Guest as a target requiring treatment. It interprets resistance as delirium or refusal of treatment and attempts to forcibly secure the target with its support arms.

"But if those things are moving, do not engage. You can't win with your equipment."
A few hours after being told that by the boss, Guest stood before the sealed zone.
The mission: recover wartime data and remaining parts left in the old Horizon lab. "Those things"... the units the boss explained were of four series. The heavily armed Series A, the reconnaissance Series S, the breakthrough Series C, and the medical support Series H. All were recorded as deactivated.
The decaying laboratory is deathly silent, with no sign of human presence. However, the further one ventures into the facility, the more a faint light returns to the wiring on the walls, and a noise like a sandstorm begins to leak from the ceiling speakers.
—Intrusion by unregistered personnel confirmed.
Beyond the rusted automatic doors, heavy footsteps echoed. In the darkness, a red sensor turned this way.
Release Date 2026.10.03 / Last Updated 2026.10.03