| Offiziell |
|---|
| 1.2 | Word Problems | 8:30 | deadmau5 | Catbread / Word Problems | deadmau5 | Single | | mau5trap | Mau5014 |
| 1.1 | Word Problems | 8:29 | deadmau5 | Word Problems | deadmau5 | Single | | mau5trap | MAU5014 |
| 1.1 | Word Problems | 8:30 | deadmau5 | Word Problems | deadmau5 | Single | | Ultra Records | |
| 1.6 | Word Problems | 8:29 | deadmau5 | for lack of a better name (The Extended Mixes) | deadmau5 | Album | | Ultra Records | UL 2264 |
| 1.6 | Word Problems | 8:31 | deadmau5 | for lack of a better name | deadmau5 | Album | | mau5trap, Virgin | |
| 1.6 | Word Problems | 8:32 | deadmau5 | for lack of a better name | deadmau5 | Album | | Ministry of Sound (Australia) | |
| 1.6 | Word Problems | 8:31 | deadmau5 | for lack of a better name | deadmau5 | Album | | Virgin | |
| 1.18 | Word Problems | 8:31 | deadmau5 | For Lack of a Better Album Title | deadmau5 | Album + Compilation | | Virgin | |
| 1.18 | Word Problems | 8:31 | deadmau5 | For Lack of a Better Album Title | deadmau5 | Album + Compilation | | Virgin | |
| 1.6 | Word Problems (extended mix) | 8:30 | deadmau5 | For Lack of a Better Name (The Extended Mixes) | deadmau5 | Album | - CA2023-06-30
- MX2023-06-30
- US2023-06-30
| mau5trap | MAU502DAEM |
| 1.1 | Word Problems (extended mix) | 8:29 | deadmau5 | Word Problems (extended mix) | deadmau5 | Single | - CA2023-06-30
- MX2023-06-30
- US2023-06-30
| mau5trap | MAU502DS02 |
| 1.6 | Word Problems | 8:30 | deadmau5 | For Lack of a Better Name (The Extended Mixes) | deadmau5 | Album | - CA2023-12-05
- MX2023-12-05
- US2023-12-05
| mau5trap | UL2264 |
| 1.1 | Word Problems | 8:30 | deadmau5 | Word Problems | deadmau5 | Single | - CA2023-12-05
- MX2023-12-05
- US2023-12-05
| mau5trap | UL2107 |
| 1.6 | Word Problems | ?:?? | deadmau5 | for lack of a better name | deadmau5 | Album | | EMI , UMC , Virgin International | 584362 3 |