| 2023-06-16 |  Poisoned By Relatives EP @ Random Select @ 2023-06-16 | 1 | Techno (Raw / Deep / Hypnotic) | Efren - Poisoned By Relatives (Original Mix)5:47 | |
| 2023-06-16 | Poisoned By Relatives EP @ Random Select @ 2023-06-16 | 2 | Techno (Raw / Deep / Hypnotic) | Efren - Poisoned By Relatives (Paul&Deep Remix)5:42 | |
| 2023-06-16 | Poisoned By Relatives EP @ Random Select @ 2023-06-16 | 3 | Techno (Raw / Deep / Hypnotic) | Efren - Yugular (Original Mix)5:35 | |
| 2023-06-16 | Poisoned By Relatives EP @ Random Select @ 2023-06-16 | 4 | Techno (Raw / Deep / Hypnotic) | Efren - Final Pleassure (Original Mix)6:04 | |
| 2020-07-10 |  Method Q @ Logical Methods Records @ 2020-07-10 | 1 | Techno (Peak Time / Driving) | Efren - Q1 (Original Mix)6:01 | |
| 2020-07-10 | Method Q @ Logical Methods Records @ 2020-07-10 | 2 | Techno (Peak Time / Driving) | Efren - Q1 (Aridan Torke)5:58 | |
| 2020-07-10 | Method Q @ Logical Methods Records @ 2020-07-10 | 3 | Techno (Peak Time / Driving) | Efren - Q1 (Xorphase)5:41 | |
| 2020-07-10 | Method Q @ Logical Methods Records @ 2020-07-10 | 4 | Techno (Peak Time / Driving) | Efren - Q2 (Original Mix)5:56 | |
| 2020-07-10 | Method Q @ Logical Methods Records @ 2020-07-10 | 5 | Techno (Peak Time / Driving) | Efren - Q2 (Ricky Cross)5:04 | |
| 2016-02-01 |  Quick Reflection @ Dope @ 2016-01-04 | 1 | Techno (Peak Time / Driving) | Efren - Against the Light (Original Mix)7:31 | |
| 2016-02-01 | Quick Reflection @ Dope @ 2016-01-04 | 2 | Techno (Peak Time / Driving) | Efren - Against the Light (Rootek Remix)7:39 | |
| 2015-10-15 |  Medussa EP @ Naked Lunch @ 2015-10-15 | 1 | Techno (Peak Time / Driving) | Efren - Medussa (Original Mix)6:49 | |
| 2015-10-15 | Medussa EP @ Naked Lunch @ 2015-10-15 | 2 | Techno (Peak Time / Driving) | Efren - TNT (Original Mix)7:00 | |
| 2015-10-15 | Medussa EP @ Naked Lunch @ 2015-10-15 | 3 | Techno (Peak Time / Driving) | Efren - Ants In The Eyes (Original Mix)6:53 | |