An internal trailer for a previously unannounced Mass Effect game, reportedly codenamed "Mass Effect Universe" before development was halted by EA, has surfaced, offering a glimpse into BioWare's ambitious plans for the franchise. According to Romain Toutain, the franchise's technical director since 2022, a key feature of this project was a sophisticated system designed to generate alternate timelines based on players' choices from previous Mass Effect titles.
Toutain explained in a Twitch stream that the game's working title reflected its aim to incorporate a vast array of player decisions. "All the choices made in the first Mass Effect games were taken into account," he stated. "One of the reasons why it was called Mass Effect Universe is that you had so many choices that you could plug your saves together to create parallel universes. To keep it simple. It’s not exactly how it worked. You had different timelines, basically. You could almost generate timelines, kinda like Zero Time Dilemma."
The system allowed for a high degree of player agency, even enabling choices that might logically contradict established events. "Everything in the game, everything was stateful," Toutain elaborated. "At any time, you could stop the game - I mean, you could pause it - and ask a system that solved logical equations, ‘Is this valid?’ And if it isn’t valid, what conditions must be met for it to be valid? For the game to set these conditions."
This dynamic system could adapt to player actions, ensuring narrative progression even when faced with seemingly impossible scenarios. "So, if you killed a guy, and you needed that guy for your mission, the game will make sure you can complete the mission. Or, if that’s what the designers have decided, well, no, the mission’s failed because you killed that guy. Or else, something that was bound to happen doesn’t happen, just so that a path remains open, so that you can get around the problem." Toutain described the implementation as challenging but effective, underscoring the studio's pursuit of "absolute autonomy" for the player.
While the fate of Mass Effect 5, or "Mass Effect Universe" as it was internally known, remains uncertain following BioWare's restructuring, the revelations shed light on the innovative design philosophies the studio was exploring for its flagship RPG series.