Lessons · Topic
Malbolge
Four levels. The hard language. Lesson 1 free. Pick a difficulty — each level is a full ten-lesson course.
Four difficulties
Introductory · 10 lessons · Lesson 1 free
Malbolge
Host-taught Malbolge · Introductory. Ten lessons. Open-book quizzes. Lesson 1 free.
Easy · 10 lessons · Lesson 1 free
Malbolge · Easy
Host-taught Malbolge · Easy. Ten lessons. Open-book quizzes. Lesson 1 free.
Medium · 10 lessons · Lesson 1 free
Malbolge · Medium
Host-taught Malbolge · Medium. Ten lessons. Open-book quizzes. Lesson 1 free.
Expert · 10 lessons · Lesson 1 free
Malbolge · Expert
Host-taught Malbolge · Expert. Ten lessons. Open-book quizzes. Lesson 1 free.
Sample certificate
This could be yours
Complete the course — Lesson 1 is free — and this could be yours. The real certificate unlocks after every lesson is passed, then sign in to claim it.