Intruder on the bridge is an adult, visual novel, but it does go a bit further than the usual visual novel in that it actually has a few mini games, the main one of interest being a Galaga like minigame.
Let's start with the story.
"Intruder on the Bridge tells the story of Captain Dyce, a Galactic Union officer in command of the largest spaceship ever built: the Ventura. He will have to face a mysterious conspiracy that caused his brother's death. Unfortunately, all leaders of the Union seem to be involved in the conspiracy. " Full Review at
