Based on your search query, I would recommend Genially as it directly supports the creation of digital escape rooms. This feature aligns perfectly with your interest in creating an "escape room" experience for your students.

Genially allows you to design interactive and engaging learning experiences. It provides a user-friendly interface and a wide range of templates for creating dynamic resources such as presentations, infographics, quizzes, and notably, digital escape rooms.

The escape room feature in Genially can be used to promote critical thinking, problem-solving, and collaboration among students. You can design immersive escape room experiences that are tailored to your students' needs and interests.

Moreover, Genially supports gamification, allowing you to create game-based challenges. This can help energize students and consolidate learning through game-based challenges.

In addition, Genially provides an all-in-one workspace for staff and students, promoting collaboration and reducing administrative tasks. It also supports the creation of interactive lessons that can be presented, shared, or downloaded in various formats.

In terms of pricing, Genially offers a Free plan that allows for unlimited creation of teaching materials and unrestricted viewing of these creations. However, if you plan to use Genially extensively and want to leverage more of its functionalities, the Pro plan is recommended, priced at $9.90/month for monthly billing.