General FAQ

Collisions HE is an ideal instructional tool, as well as a learning and practice resource, for college and university students.

Collisions HE is aligned to Introduction Chemistry and General Chemistry for higher education courses.

Collisions HE contains 8 content areas including: Radii Trends, Ionization Energy, Acid Strength, Lewis Structures, lonic Bonding, Energy in Phase Change, LeChâtelier and IMFs.

Within each topic area there are between 12-20 different levels where various concepts are covered.

Collisions is currently available on the web, iPad and Android tablets.

Collisions HE is completely free for Higher Ed Instructors, while students pay a nominal subscription fee for 12 months of access to Collisions HE as part of an instructor’s class.

  • Students must have a unique invitation URL from their instructor to create and connect their account.
  • This unique URL will be found within the Instructor Portal under “Invite Students”.

Implementation FAQ

As an Instructor, you have access to our library of resources and assessments. You can view and download all of our free educator resources once logged into the Instructor Portal. Collisions HE Educator resources include:

  • Content Area Overview: Each Content Area Overview provides a detailed look at each Collisions content area, highlighting the chemistry concepts integrated across each of the levels. This is a great resource to use when mapping Collisions HE throughout your chemistry curriculum.
  • Educator Quick Start Guide: These content area specific guides provide samples of guided questions and student prompts designed to incorporate each Collisions HE content area into your chemistry lectures and tutorial classes for both pre-instructional and post-instructional use.
  • Formative Assessments: These documents are fillable PDFs for student practice that directly align to each Collisions content area. They can be used to analyze student understanding or to help reinforce a specific concept.
  • Extension Activities: These are analysis activities that can be used to extend learning by prompting students to draw connections to additional chemistry concepts covered in Introduction to Chemistry and General Chemistry courses. In these activities, students ‘collect data’ in the Collisions HE Sandbox, and analyze the results to draw conclusions about a concept.

Yes! You can view student progress by logging into our Instructor Portal.

Students can reset their own passwords by clicking on the “Forgot Password” link on the login screen.

Answer keys to specific content areas are available upon request by teachers with established classes and active students. Please email us at hesupport@playmadagames.com – be sure to include which specific content area(s) you are working on.

You can play Collisions on the web at he.playmada.com. Collisions HE is compatible with desktops, laptops, Windows, Mac, and Chromebooks. There is also an iPad app and an Android tablet app.

Upon account setup, you were asked to generate security questions. Follow the link in the game to reset your password via the security questions. If you have any issues, email us at hesupport@playmadagames.com.

No, players can only be logged in to one device at a time. If a login is attempted on another device during an active play session, simultaneous login will be detected, and the player will be unable to log in.

If you are having trouble accessing Collisions HE, please have your IT department whitelist *.playmada.com. You can email us at hesupport@playmada.com if you are still having trouble.

  1. Ensure that your web browser is up to date.
  2. Clear your cache. Not sure how? Follow these steps.
  3. Contact us at hesupport@playmadagames.com.
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