Kitrinos: Inside the Cube is a free Myst-like adventure game featuring 10 Steam achievements.

Turn around and pick up the notebook from the floor:



Turn around again and follow the path:



Turn to the right and activate the cube. Turn back left, go straight on and solve the first puzzle:






Turn to the left and enter the small building:






Head back to the main path and try to approach the black pyramid. Solve the second puzzle:






Enter the pyramid. Use the buttons in the bottom left corner to solve the third puzzle.

Solution: 11123 23323 32313 312. Thanks to the developer for providing this optimized solution.






Solve the fourth puzzle. Steps:

1. To the left:



2. To the right:



3. To the left:



4. To the right:



5. To the left:



6. To the right:



7. To the left:



8. To the right:



9. To the left:






Walk back to the beginning. Progress until you find a light. Approach it and press RMB:



Click on the orb in your inventory to active the fifth puzzle. Solve it:






The last puzzle is in front of you. Press the buttons in the correct order (color is in the center):

Purple ⇢ 3
Orange ⇢ 6
White ⇢ 7
Black ⇢ 8
Red ⇢ 10
Yellow ⇢ 14






Walk to the orange sphere and watch the credits. Don't skip them (third secret)!





The achievement trigger for the final achievement changes with every update. Known triggers:

• In the bonus section, watch the bottom right video.
  
• In the bonus section, repeatedly click on the cube in the logo.

Please note, that the achievement might not unlock anymore after completing one of the above steps. If you don't want to search for the current trigger, I recommend you to load this build:


For more information, follow this link. After starting this build, watch the bottom right bonus video to unlock the achievement.