Matt Braddock - updated 2 Oct 2019
Not a role-playing game, but a random problem generator. Select the topic, adjust the settings, and generate a problem. Answers are provided, but hidden initially.
Type of problem:
Given slope and point
Given two points
Perpendicular to line
Parallel to line
Allow reflections not through origin?
Allow rotations/dilations not centered at origin?
Allow a > 1?