KYOTO, JAPAN—Gassy Mob is a return to the high-concept video games of yesterday: you play by gorging yourself on food and then farting on "innocent" strangers. This angers them and turns them into ...

When my mom and dad first told me they were building an iPhone app, I was supportive but skeptical. My parents, 58 and 62, weren’t developers or techies; they use 2005-era flip phones instead of ...

It’s a real ghastly gas. A horror-themed video game that can hear players scream is apparently picking up some other involuntary noises as well. From a spooky forest setting, the aptly titled “Don’t ...