It is a good way to keep brain healthy and free of disturbing intrusions in leisurely time. These games can be a great respite from consuming thoughts and provide much needed pleasure to the brain.
By solving different puzzles brain gets stronger like body gets stronger while doing exercise. It's a kind of exercise for brain to keep it loaded with positive energy.
These types of games are a good source to make free time more valuable and productive while having fun as well.
Great Hunt!