Writing planners can be fun. If you are interested in the topic (and the advances in the 40 years since STRIPS), you might enjoy the corsera course which starts

Writing planners can be fun. If you are interested in the topic (and the advances in the 40 years since STRIPS), you might enjoy the corsera course which starts in a month: https://www.coursera.org/course/aiplan https://www.coursera.org/course/aiplan I wrote a litte strips planner for the last iteration of the course and set it the task to sort some boxes in an interactive box2d world without actually understanding the simulated physics, the result can be quite amusing, http://fhars.github.io/boxworld/ http://fhars.github.io/boxworld/