Lessons
Befunge · Easy
Befunge · Easy. Ten lessons. Open-book quizzes. Lesson 1 free.
10 lessons · The Host · Lesson 1 free
Pass all ten lessons for the certificate. Sample · Claim
Lesson 1 · On the house
Wrapping the playfield
Edges are a torus.
Lesson 2
Horizontal decisions that rejoin
_ splits; lanes must meet again.
Lesson 3
Vertical decisions and while rings
| splits north/south.
Lesson 4
Bridges across busy lanes
# skips the next cell.
Lesson 5
Stringmode and print order
Quotes push ASCII; order matters.
Lesson 6
Digit printers and mixed I/O
. for ints, , for chars.
Lesson 7
Self-mod with g and p
Playfield as memory.
Lesson 8
Stack katas
: $ ! and greater.
Lesson 9
A tiny Hello emitter
Stringmode, commas, halt.
Lesson 10
Hunting IP traps
Debug the playfield like a crime scene.
Sample certificate
Certificate of completion
Sign in to claim your certificate of completion.
Certificate
Finish all ten lessons, then sign in
Pass every lesson on this device (quizzes and checks). Then sign in or create an account to type your name and download the JPG.