One road Ext 1.0.1

It is a game where you move a hero, defeat monsters and rescue the castle princess.
To rescue, you must defeat all monsters before arriving at the castle.
Movement can only proceed, not retreat. You can't cross.
Proceed in one stroke.
To move the hero, touch the monster that comes out.
There are more than 5,000 missions.
The answer button can be used once it has been cleared or after a failure.
Points will be added according to the difficulty of the mission.
No points will be earned for re-attempting a completed mission.
There is only one mission with 6X6 or less.