In which level five sees work on puzzle and audio; some goal-texts are added (and logic for one removed; a glowing crystal light acquires a new effect...
In which puzzle-building continues; crystal lights are placed; one such light may be activated; crystal shaders are improved; and a musical instrument...
In which development of a research-puzzle continues; level five sees some changes and refinement; crystal lights are added; and a crystal shader is developed...
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