GAMESLASHSIGNOS launches: Build a robot's AI with Thought Tiles, then watch it fight
By zeoperdise
The new Steam game lets players program autonomous robot battles with Thought Tiles, memory limits and replays. Its solo developer also discloses AI-assisted 3D assets and sound.
SIGNOS: AI Robot Builder has launched on Steam. Japanese solo developer zeoperdise scheduled the full release for November 10, 2026 at 9:00 a.m. Japan time (7:00 a.m. in Thailand); Steam displays November 9 in some store views because of its date convention. Unlike a typical action game, you never control the robot during combat. You build its body and program its decision-making before watching it fight.
Design the machine, then write its fighting logic
Start by combining a head, chest, arms, legs and weapons. Those parts change weight, durability, energy consumption, firing range and the robot's processing and memory budget. Then connect flowchart-style Thought Tiles for actions such as Search, Judgment, Move, Attack and Defense. For example, search for an enemy, check its distance, and choose whether to approach or attack. This is the core mechanic: designing behaviour, not reacting with a controller.
A robot's head has limited memory and actions consume processing capacity. More rules can therefore slow down decisions rather than make a robot stronger. After each fully automated battle, review the replay and action log, remove wasteful branches, adjust the parts and try again. The loop is Build → Battle → Analyze → Improve.
What comes with the full release?
According to the developer's Steam description, the full game includes six story chapters, asynchronous Ranking Battles against other players' uploaded robots, and an in-game WORKSHOP where machine builds and behaviour logic can be shared. The free browser demo on itch.io covers chapters 1–3 and Free Battle, but not the full release's ranked and sharing features. The Steam game is for Windows and supports 13 interface languages including Thai. The listed US base price is $4.99 with a 15% introductory discount ending November 16; local prices may differ.
How was AI used to develop it?
The developer's AI Generated Content Disclosure says generative AI assisted some 3D models and sound effects, while core story, game systems, behaviour-logic implementation and balancing were primarily designed by the developer. The in-game 'AI' you program through Thought Tiles is a gameplay rule system, not a claim that a generative model writes each robot's decisions while fighting.
For developers building with AI, SIGNOS is a concrete example of turning inspectable decision trees, execution budgets and feedback logs into the central game mechanic. This report is based on official gameplay descriptions and promotional stills; GameSlash has not claimed to playtest the full build.