After four years without releasing new music, the group returned in November 2020, posting a teaser of their new single "Lonely Machines", featuring 100 gecs.

"[4] The duo were writing another single from the album "I'm So Sad", when Benny Blanco, who worked with 3OH!3 in the past, asked them if they've "listened to 100 Gecs?."

[1] Derrick Rossignol of Uproxx remarked, "The electronic tune opens with lyrics that brings back feelings of 3OH!3's heyday: 'You tell your boyfriend if he still got beef / That over time, it's gonna give him heart disease.'

"[11] James Crowley of Atwood Magazine stated, "The electronic squeals and charged up synth beat sounds like it could've been a b-side of Want, but the callbacks to 'Don't Trust Me' and Les' verse indicate that this is a band that can still be a serious contender in 2020.

[14] Sean Foreman spoke about the concept of the video, stating, "I think especially with this song, it didn't speak to having this narrative component to it.