If a feature isn't listed here, it was nearly definitely taken down by the main artist on the song, it may still be reuploaded somewhere on soundcloud or on youtube though, so it's probably possible to find most of them

(Mostly) Every Robstar Feature

Better in my cage ft. Robstar

I know y'all only playing this for Rob smh.
Robstar: https://soundcloud.com/robstar100

Crizzy The Rapper

Waste of Space (feat. Robstar) [prod. Dee B.]

Check out Robstar! - https://soundcloud.com/robstar100

Does It End feat. Robstar (prod. Blade 901)

Produced by 2001
Lyrics and Vocals by Lucky G
Featuring Vocals from Robstar
https://soundcloud.com/robstar100

For her.

mad anxiety feat. robstar (prod. by 2001)

Go Check out the man on the track, he has lots of dope tracks!!!
https://soundcloud.com/robstar100

Does It End feat. Robstar (prod. Blade 901)

Crizzy White