Some games are an acquired taste, loathed by most, but loved by a select few. It's not great to become known as the person that has 'quirky' taste in games, so if you're a fan of one of this lot, keep it to yourself or make sure you're in the right company.

Pokemon

Let's face it: Pokemon is for kids. If you're with a bunch of grown-ups (which you most likely are), you're not going to want to go out on a limb and tell everyone how you spend your weekends trying to collect them all.