8. Warhammer 40k: Dawn Of War II - Retribution - Tau Efficiency
Achieved by 0.6% of players In a lot of cases, it's not just the act you have to carry out that makes an achievement hard to get, but getting to the point where you can carry out the act. This Warhammer 40k-based strategy game ensures that by the time you get your opportunity to kill three doppelgängers within five seconds of each other in the game's last stand mode, you're exhausted after the 15 waves of enemies you had to despatch to get there. The doppelgängers are volatile enemies that can kill you as easily as they can kill themselves, and if either of these things happen then you have to start all the way back from Wave 1 again. The final caveat is that you have to kill the three doppelgängers - within five seconds of each other - as the Tau Commander himself, and make sure that one of your teammates doesn't fire the final bullet. The chances of failure are high, and the consequences for failing are harsh, making this one of the most notorious Steam achievements around. On the plus side, this is one of the few games in which earning an achievement unlocks in-game content as well, making you wish that more developers would chuck in virtual rewards for surmounting such astonishing odds.
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I'm a writer-editor hybrid whose writings on video games, technology and movies can be found across the internet. I've even ventured into the realm of current affairs on occasion but, unable to face reality, have retreated into expatiating on things on screens instead.