Earlier quoted context omitted.
Xcom 2 is a disaster due to the arbitrary time (or turn, for the nitpickers) limits in all missions. If you don't rush via the shortest path or if you do the unthinkable and explore the map a bit you'll run out of time and die. And if you install a mod that removes the turn limits it becomes way too easy because it's balanced for rushing blindly ahead and it's like taking candy from a baby if you have time to scout a…
Chimera squad is the latest Xcom game. It's a bit simplified and you jump straight into position. It's nice to not have to spend 50 hours moving around but not everybody likes the change in gameplay. Do NOT buy it though, the game is buggy as fuck.
Chimera Squad is an OK game, and good if you like the (rebooted) X-Com universe.