The Irish Mail on Sunday has reported that a woman in her 40s has died after being shot at while playing a game called “Girl Games” on the Steam gaming platform.
According to the report, the woman was at home in Shepparton, Dublin at the time of the incident.
She was not in the house at the start of the shooting.
The man was arrested on suspicion of attempted murder.
Police have not said why he took part in the game.
The Irish Times has reported previously that there were concerns in the community that the games were not safe and that there was an increasing number of suicides among young women.