Please play Alienanza on Best-games.co for free. Put your memory and reflexes to a test in Alienanza, the fun mind-bending space game! How long can you keep track of crazy aliens from outer space? Simply tap YES if the new alien is the same as the last one. Wait, is it YES or NO? Uh-oh, time is running out and the pace is picking up really fast! How many of these cute extra terrestrials can you get through before losing your mind? Boast your score to friends and challenge them to do better!