penniless pilgrim riddle

goal: get to the bottom right with a score of 0

game

rules

• your score increases by 2 every time you move right, and decreases by 2 every time you move left
• your score doubles every time you move down, and is cut by half every time you move up
• you can only move once over each edge
• you may pass over the same intersection twice

keyboard controls

• use arrow keys to move
• press ‘r’ to reset
• press ‘s’ to stop

video

SPOILER ALERT: video has the solution.