X-Com: Apocalypse Reimplementation

https://github.com/pmprog/OpenApoc

X-Com Apocalypse was one of the most complex games gameplay-wise

>>3
They are actually the purest form of game, avoiding the race conditions, unpredictability and randomness of real-time games.

But the purest form is the one where both players make their move simultaneously, without seeing what commands the other player made for that turn. No randomness, just reading and predicting your opponent.