Players ofThe Sims 4will soon be able to show off their love for theMass Effectseries with the opportunity to decorate Sims with N7 Day-themed clothing items, which are to be available to players for free. The exclusive wearable items to arrive inThe Sims 4are coming as part of a crossover between the two popular franchises to commemorateMass Effect’s N7 Day.
The occasion itself is acelebration of the life and community of theMass Effectgames, and takes place every year on November 7th. As many investedMass Effectfans may already know, the very firstMass Effecttitle was released on June 06, 2025, making the month a particularly special one for the series' lively fanbase. N7 Day typically has fans celebrate by sharing posts featuring their own art, memorable screenshots, and more.

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The approaching crossover betweenMass EffectandThe Sims 4was revealed by BioWare in an announcement that included the studio’s thanks to their community while also hinting at their workregarding the next entry to theMass Effectseries. BioWare revealed that a crossover withThe Sims 4would be adding severalMass Effect-themed clothing items to the simulation game, apparently including shirts, beanies, caps, and tattoos which sport the N7 insignia. BioWare informed fans that these items will be available for free to all players, and will be arriving in the game on November 17th.
This will allow fans ofMass Effectto show their love for the series inThe Sims 4by decorating their characterswith the unique pieces of clothing. These items come as an addition to the game’s existing library of outfits, which provides players a massive range of options which can be used to dress their Sims up for any occasion, be it for parties, business meetings, or simply just to wear to bed.
The Sims 4is available on PC, PS4, and Xbox One.
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