Following the instructions given to him by the call, 154 fights his way through Sunset City, a housing development for Systems Corp.'s enormous amount of employees, which implies they may have monopolized the market beyond genetics research. He receives an anonymous communication from someone who is aware of his origins. In Thing-Thing 3, 154 appears to be in a self-imposed exile. Battling his way back into an industrial sector, 154 is caught by Zeus, who attempts to snipe him back and forth, though he is agile and dodges every bullet, eventually defeating him. The desert's ancient structures are inhabited by undead – creatures who are later inferred to be individuals reanimated as a part of Systems Corp.'s experiments. mercenaries whose intention is his elimination despite seemingly having the entire place against him he manages to flee into a desert. Thing-Thing 2 begins with 154 wandering in a city. Hades's deployment may have been retconned by the fact he was locked in a containment chamber in Thing-Thing 4. – and that the two remaining elite bio-android and bio-weapon, Zeus and Hades, were deployed to terminate him. During his escape, he learnt the identity of the faction that held him – Systems Corp. 154 defeats Poseidon and makes his exit into the open world. When he arrives the third floor, he encounters and is halted by Poseidon, an Alpha-Class Bio-Android and one of the three elite bio-weapons created by the facility.

He then fights his way upwards through the building, killing all personnel. He escapes from the cell by killing his doctor, who formerly monitored his state, taking his pistol, shooting the ceiling's vent off and climbing out. Thing-Thing follows Gamma-Class Bio-Weapon Project #154, as he awakens in a containment cell.

Things things 3 arena