BioWare's cancelled Mass Effect sequel, tentatively known as Mass Effect Universe, was designed to allow players to generate alternate timelines based on their choices across the original trilogy, according to franchise technical director Romain Toutain. This system aimed to provide a more sophisticated integration of player decisions than previously seen.
Toutain discussed the game's development during a Twitch stream, where he elaborated on the trailer that recently leaked. He explained that the project's name, Mass Effect Universe, stemmed from the intention to accommodate the vast array of player choices. "You had so many choices that you could plug your saves together to create parallel universes," Toutain stated, clarifying that this was a simplified explanation for a system that involved generating different timelines. He likened the concept to the branching narrative of games like Zero Escape: Zero Time Dilemma.
The technology underpinning Mass Effect Universe was described as "stateful," meaning the game could analyze the consequences of player actions. Toutain noted that BioWare had developed a system capable of pausing the game and solving logical equations to determine the validity of player choices and their potential outcomes. This system could then either establish conditions to make certain choices valid or acknowledge when a necessary element for a particular path was absent, potentially leading to mission failure or the creation of alternative narrative branches.
For instance, if a player had killed a character crucial for a mission, the system would either ensure the mission could still be completed, potentially by altering events, or it would recognize the player's action as cause for mission failure, depending on design intent. The ultimate goal, Toutain explained, was to grant players "absolute autonomy."
While the practical implementation of such ambitious plans remains speculative, the details emerging from the cancelled project suggest BioWare had aspirations that extended significantly beyond the scope of the original Mass Effect trilogy. The technical director's insights highlight a deep dive into player agency that will likely not be realized.