The technical definition of a dating simulation game, known as a romantic simulation game in Japan, can involve several technical elements such as a time limit, several statistics such as looks and charm which can be boosted through exercise, or an "attraction meter" which can increase or decrease depending on one's decisions.
Bishoujo are those where you play as a man and have a harem of potential female love interests, while otome games are ones where you are a girl and have multiple male love interests.
This isn’t necessarily hard and fast, but it’s a decent starting point.
Through sim games you have an opportunity to test your valor against the greatest challenges in life.
Did it ever occur to you that you can find something so entertaining, fulfilling and exciting that can make you feel better at least for a while without feeling any pain?
Well my friends prepare for the power of the virtual love.