keyboard shortcuts:
↵: enter
✓: shift-enter
⎌: ctrl-z
↓: next try
↑: previous try

0 bits penalty

reset ALL progress
click ✓ (or shift-enter) for the next problem.
  No command , type one!

Cooperatively build the "goal" from the "start" by teaching the computer any language. The computer knows nothing, and you have to teach quickly. Type a command and press enter, use ↓ and ↑ to select the right action, use ✓ (shift-enter) take the current action and move to the next step, and use ⎌ (ctrl-z) to undo and skip examples.
help, comments