BTK, Optiv, Meth & Cold Fusion • 2017
Optiv & BTK • 2014
Optiv & BTK • 2012
Optiv & Inao • 2024
Optiv & Cza • 2019
BTK & Optiv • 2018
Kolins 6`9 • 2025
Bulletproof • 2023
![Black Cell (feat. Optiv) [2023 Remaster] - Single](https://is1-ssl.mzstatic.com/image/thumb/Music116/v4/fd/c5/89/fdc589db-0614-48f7-3d80-551a7315e162/artwork.jpg/100x100bb.jpg)
![Camouflage (feat. Optiv) [2023 Remaster] - Single](https://is1-ssl.mzstatic.com/image/thumb/Music116/v4/2f/ae/02/2fae0284-a086-94bf-7eb2-76a55a1a2152/artwork.jpg/100x100bb.jpg)
![Black Cell (feat. Optiv) [2023 Remaster] - Single](https://is1-ssl.mzstatic.com/image/thumb/Music116/v4/fd/c5/89/fdc589db-0614-48f7-3d80-551a7315e162/artwork.jpg/300x300bb.jpg)
![Camouflage (feat. Optiv) [2023 Remaster] - Single](https://is1-ssl.mzstatic.com/image/thumb/Music116/v4/2f/ae/02/2fae0284-a086-94bf-7eb2-76a55a1a2152/artwork.jpg/300x300bb.jpg)