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溯光行 News

Demo v1.0.3516 Update

Demo v1.0.3516 Update

  • Optimized the orientation control of the pointer.
  • Fixed an issue where videos could not be played on Steam Deck.
  • Fixed a bug where the data slit might be inaccessible.


Thank you for playing the “Retrace the Light" Demo. If you're looking forward to the full version after completing the demo, feel free to add the game to your wishlist! If you have any questions or suggestions, feel free to share them in the comments or our QQ group.

Demo v1.0.3505 Update

Demo v1.0.3505 Update

  • Added support for SteamDeck
  • Fixed a bug with the display of the pickup interface
  • Adjusted the font size for some text
  • Fixed a bug where the water surface material could be lost
  • Optimized certain puzzles in the mine level
  • Fixed an issue where blink attacks couldn’t be performed when floating
  • Added Traditional Chinese language support


Thank you for playing the “Retrace the Light" Demo. If you're looking forward to the full version after completing the demo, feel free to add the game to your wishlist! If you have any questions or suggestions, feel free to share them in the comments or our QQ group.

Demo v1.0.3480 Update

The Spring Festival holiday is approaching, and all members of Xia Ming Youyi wish everyone a happy Chinese New Year! If you're looking forward to the full version after completing the demo, feel free to add the game to your wishlist! If you have any questions or suggestions, feel free to share them in the comments or our QQ group.

Demo v1.0.3480 Update
  • Added Spanish language support.

  • Optimized the text UI display for multiple languages.
  • Fixed a bug where the flying knife's hit detection would still be active after it disappears.
  • Fixed a bug where some key UI displays didn't switch properly.
  • Optimized the typing speed for multiple languages.
  • Fixed the issue where Boss Qi's special attack sound effects were missing.
  • Optimized the damage range of Boss Qi's throwing technique.
  • Fixed an issue where certain settings wouldn't save.
  • Optimized the experience of assembling main modules with a keyboard-only setup.
  • Optimized the pre-input operation for drinking medicine.
  • Added puzzle hints for the end of the game.
  • Fixed a bug where some devices lost water surface rendering.
  • Optimized the attack rhythm of normal enemies.
  • Fixed a bug where Boss Qi's throwing glove model might permanently remain in the scene.

Demo v1.0.3439 Update

With the continuous efforts of our programmers, the number of issues is steadily decreasing, and the overall gameplay experience is becoming smoother. If you're excited about the full version after completing the demo, feel free to add the game to your wishlist! If you have any questions or suggestions, you're welcome to share them in the comments or our QQ group.

Demo v1.0.3445 Update

  1. Fixed a bug in the Iteration System tutorial.
  2. Fixed a bug where medicine would not refresh after repairs at the repair station.
  3. Fixed a bug where the camera would get stuck after exiting the temple.

Demo v1.0.3439 Update

Thank you for trying the demo! Over the three days since its launch, we have received your feedback and pushed our programmers to work overtime to fix the issues. If you're excited about the full version after completing the demo, consider adding the game to your wishlist! If you have any questions or suggestions, feel free to leave them in the comments or share them in our QQ group.

Demo v1.0.3439 Update

Fixed collisions that caused characters to get stuck;
  • Added the ability to skip mid-dialogues;
  • Fixed an issue where resolution could not be adjusted in windowed mode;
  • Optimized the hitbox for the Pointer-Dash module;
  • Updated the Iteration System tutorial, which now triggers before the first Instructor System challenge;
  • Fixed a bug where Boss Seven could deflect ranged attacks;
  • Fixed an issue where gameplay settings would not display correctly;
  • Fixed ambiguities in some UI texts;
  • Optimized damage detection and time-slow effects, ensuring visual consistency;
  • Added a list of production staff in some localized versions;
  • Updated dialogue hints for puzzles;
  • Fixed a bug where interactive item UI could disappear;
  • Fixed an issue where Flashback might return to the world's origin point;
  • Fixed a bug where mechanisms would disappear upon reloading;
  • Fixed a bug where some small enemies could lose their targets;
  • Fixed a bug that prevented exiting time-slow states and added a fail-safe mechanism.