If you fail a test, the world does not crumble. The timeline does not shatter. You just have to reload, study a bit differently next time, and try again.
If you enjoy the Undertale style, Quackprep also hosts other popular indie and "brainrot" style titles: The Binding of Isaac : A roguelike dungeon crawler. Pizza Tower : A high-speed 2D platformer. Hollow Knight : A challenging metroidvania. Baldi's Basics : A surreal horror-comedy educational parody. Quackprep Unblocked Games
If you want, I can: provide full ready-to-print lesson worksheets, expand any module into a 45–60 minute lesson plan, or generate student handouts/paraphrased scene excerpts. Which would you like?