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About Lightracer: For Judge
Lightracer: For Judge places you in a highly developed dystopian future where humanity is split into immortal Aeternus and mortal Mortalis. As an amnesiac Aeternus Judge you receive petitions, complaints and urgent requests while operating under strict superior control.
Every choice you make can ripple through hundreds of interconnected events, influencing individuals, civilizations and even the universe. The game blends adventure, RPG, simulation and strategy elements and presents a “brief history of the future” that spans centuries of crisis.
01 / THE GUIDE
Narrative Premise
The setting is a dystopian future where rapid technological development has divided all living beings into two groups: the immortal Aeternus and the mortal Mortalis. You play as an Aeternus Judge who has lost all memories but retains the authority to decide the rise and fall of countless lives.
Through meetings with diverse individuals and exposure to unfamiliar situations, you witness scientific imbalances, learn the reasons behind the Aeternus‑Mortalis split, and must constantly balance self‑preservation with helping others, gradually mastering civilization to affect ordinary people’s fates.
- Notice how each petition reflects the broader societal divide before deciding.
- Weigh personal risk against potential benefit for the larger community.
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Decision Impact
Every decision you make can affect numerous outcomes across hundreds of interconnected events. Appeals may be genuine or deceptive, so you are encouraged to verify authenticity using technical tools or your own judgment.
Your choices influence individuals, civilizations and the universe’s fate, and the game contains over 300,000 tests that present moral dilemmas and life‑or‑death situations for the Judge to resolve.
- Use the AI consultant to double‑check questionable requests.
- Keep a mental note of recurring characters to gauge longer‑term effects.

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Key Characters
KK is a loyal but unreliable AI consultant who awakens with you, helping you cope with memory loss, understand space civilization and survive superior demands. KK helps you cope with memory loss and understand space civilization.
Mei Silva, an Aeternus senior manager, appears during a corporate merger, prompting questions of profit versus purpose. Kasajyoku·70%volume, another Aeternus, displays emotions unlike other gods and may release hidden obsession and madness at crucial moments.
- Listen to KK’s analysis for hidden clues about a petition’s legitimacy.
- Compare Mei Silva’s corporate motives with Kasajyoku’s emotional cues.
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Brief History of the Future
The game provides a “brief history of the future” that covers hundreds of years, depicting a tragic tale of civilization striving to survive amid a significant crisis. Within this history, the Judge continues to face life‑and‑death tests and moral dilemmas.
Within this framework you may encounter life‑or‑death tests and moral dilemmas that shape whether you become an honest bureaucrat, a daring reformer, or pursue other optional narrative branches.
- Observe how the tone of the brief history shifts after major decisions.
- Consider the long‑term narrative consequences before committing to a controversial judgment.
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Platform Features
Lightracer: For Judge is a single‑player experience available on Windows. It supports Steam Achievements, Steam Cloud saves and Family Sharing, with Steam Cloud syncing saves and Family Sharing enabling another account on the same device to launch the game.
The game does not list macOS or Linux support, and no multiplayer modes are mentioned, emphasizing a solitary narrative focus.
- Enable Steam Cloud to keep your decisions synced across installations.
- Family Sharing lets another account launch the game on the same device.





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