X-Com:Terror from the Deep / Intro sequence

X-COM: Terror From the Deep, a 1995 turn-based tactical strategy game, shifts the alien conflict to Earth's deep oceans. Players manage global defense operations, research captured technology, and command squad-level combat missions against aquatic alien forces. Its core loop involves strategic base management combined with detailed, grid-based tactical engagements set entirely in challenging underwater environments, demanding specialized equipment development to survive.