There is a fine line to walk while playing, whether it is worth following the rules and ruining lives or bending the rules at the risk of getting caught in order to help destitute people. The moral choices in the game are often difficult and require hard decisions.
Papers Please has a unique puzzle solving element. Instead of using mathematical logic, or quick matching thinking, the puzzles in Papers Please involve checking people's background information to make sure everything matches the immigration requirements and following clues to find anything amiss.
The gameplay itself, once the player gets a grasp of it can get repetitive pretty quick due to there really being not much deviation from a singular gameplay mechanic.
The rouge-alike game design combined with the huge amount of choices that can be made in both encounters as well as ship management makes FTL a highly strategic game.
In the later parts of the game battles are very long which can make for a bit of a boring experience, especially for those that would rather be exploring than spending so much time on battles.
Enemy Within is and expansion on the classic Enemy Unknown. With Enemy Withing players are given new options such as maps, missions, enemies and of course the new Mech Suits.
XCOM sets the standard as to what to expect in turn based strategy gaming. Players use soldiers to fight off an alien invasion by utilizing cover, flanking and other strategy tactics to defeat the alien baddies on each level of grid based environments.
The gaming genre of turn based strategy lends itself very well to touch screen devices. It is actually easier to interact with the characters on screen with ones fingers instead of a mouse.
You speak with the protagonist Althea young AND you take decisions on the ship when you explore it with her. So there are 2 types of decisions here: responses to Althea and decisions. That gives so many branches!
You have to be focused at the beginning of the story, it's not that easy to understand what's going on at the beginning ^^ But then, it becomes clearer, just like the movie Inception.