| 2025-05-01 |  Renegade @ Hard Classic Recordz @ 2025-05-01 | 1 | Hard Dance / Hardcore / Neo Rave | Rainer K pres. Hard Classic Project - Renegade (Original 2007 Mix)4:31 | |
| 2025-05-01 | Renegade @ Hard Classic Recordz @ 2025-05-01 | 2 | Hard Dance / Hardcore / Neo Rave | Rainer K pres. Hard Classic Project - Leave Us Alone (Original 2007 Mix)6:19 | |
| 2025-03-20 |  Driving Force @ Hard Classic Recordz @ 2025-03-20 | 1 | Hard Dance / Hardcore / Neo Rave | Rainer K pres. Hard Classic Project - Driving Force (Radio Mix)3:48 | |
| 2025-03-20 | Driving Force @ Hard Classic Recordz @ 2025-03-20 | 2 | Hard Dance / Hardcore / Neo Rave | Rainer K pres. Hard Classic Project - Driving Force (Extended Mix)5:06 | |
| 2025-01-03 |  Trip Down Memory Lane @ Hard Classic Recordz @ 2025-01-03 | 1 | Hard Dance / Hardcore / Neo Rave | Outer Mind, Rainer K pres. Hard Classic Project - Trip Down Memory Lane (Radio Edit)4:44 | |
| 2025-01-03 | Trip Down Memory Lane @ Hard Classic Recordz @ 2025-01-03 | 2 | Hard Dance / Hardcore / Neo Rave | Outer Mind, Rainer K pres. Hard Classic Project - Trip Down Memory Lane (Original Mix)6:32 | |
| 2024-04-26 |  Retrospective @ Hard Classic Recordz @ 2024-04-26 | 1 | Hard Dance / Hardcore / Neo Rave | Rainer K pres. Hard Classic Project - Retrospective (Hard Mix)5:02 | |
| 2024-04-26 | Retrospective @ Hard Classic Recordz @ 2024-04-26 | 2 | Hard Dance / Hardcore / Neo Rave | Rainer K pres. Hard Classic Project - Retrospective (Jump Mix)5:02 | |