It is currently impossible to 100% game.
Article: Alex Hopley – Gamereactor.cnNow, if you’re an achievement hunter playing Mortal Kombat 1, you’re probably distressed by the fact that the latest NetherRealm fighter isn’t quite complete yet. This is due to having an impossible achievement.The powerful Corruption achievement requires you“Complete Clash of Titans”. Sounds simple, right? Let me run through the menu of Titan combat options, and… there isn’t one. A useful Redditor named IllustratorFormal256Contact us about this issueThe developers were contacted, and a reply informed them that Titan Battles would be added to the game at a later date. There’s no specific date as to when they’ll be added, but at least we know it’s only a matter of time before we achieve this feat. Source: Gamereactor.cn
