The goal of modern education is to create conditions for the personal growth of each learner, enabling them to acquire and improve professional competencies and skills. In this context, quest-based (online quest-based) teaching technology deserves special attention as a form of pedagogical scaffolding within the higher education system. The aim of this study was to evaluate the applicability of online quests as a pedagogical scaffolding technology for enhancing achievement motivation among students within a single university setting. The study explores the essence of two core concepts: "online quest" and "pedagogical scaffolding." The primary method employed was a comprehensive pedagogical experiment conducted during the second semester of the 2023-2024 academic year. The experiment included two experimental groups of 62 and two control groups of 58 students, accounting 120 participants in total. The experiment unfolded through several well-structured phases, including preparatory activities, baseline assessments, the implementation of a long-term online quest via the Moodle system, and follow-up data analysis using methods of mathematical statistics. The results revealed a significant increase in student engagement, critical thinking, and independent learning among participants in the experimental groups, as well as confirming the research hypothesis that the use of online quests as a scaffolding technology effectively enhances students' achievement motivational levels.