Combat will be like Wasteland 2's
inXile asked Kickstarter backers what type of combat they would like to see in Torment: Tides of Numenera, and turn-based came out slightly in the lead. The votes were so close that inXile said it was basically a tie, but they have decided to implement the turn-based system despite half their backers voting for a real-time alternative.
inXile believes that turn-based combat is "better suited for the kind of tactical complexity we're looking for." They are hoping to be able to please fans who voted for real-time combat by addressing their concerns with most real-time combat mechanics.
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I am a little disappointed to see inXile make this decision, but I hope that the game will be amazing regardless. I like turn-based combat too, but I was hoping to see a system similar to the original Planescape Torment.