Submarine Attack is one of those classic Sega Master System games that feels simple at first—until you realize how tense it gets. You're piloting a sub, dodging depth charges from enemy ships while trying to torpedo them before they sink you. The controls are straightforward, but the water gets crowded fast, especially when destroyers start dropping charges in patterns that actually make you sweat a little.

It’s got that early '90s arcade vibe where the music loops forever and the graphics are blocky in a charming way. I remember thinking it was easy until like, level three, when everything suddenly speeds up and you realize you’ve been playing it wrong the whole time. If you’re into retro shooters that don’t overcomplicate things, this one’s a solid time-killer.