X-COM - X-COM is a Science-Fiction, Turn-base Tactics, Strategy and Single-player video game series developed by Mythos Games and published by MicroPose.
Fallout - Fallout is an Action Role-playing, Isometric, Open World, Adventure, Sci-fi and Single-player video game developed and published by Interplay Entertainment.
Xenonauts - Xenonauts attracts greatly on the sci-fi universe of the original X-COM to make a very familiar turn based tactical adventure.
Silent Storm - Silent Storm is a Turn-base Tactics, Sci-fi, Role-playing, Strategy, and Single-player video game developed Nival and published by THQ Nordic.
Jagged Alliance - Jagged Alliance is a series of turn-based tactics video games.
Jagged Alliance 2 - Jagged Alliance 2 is one of the older tactical role playing games.