| Label: | EMI 00946 3 84956 2 8 |
| Genre: | Rock |
| Style: | Heavy Metal |
| Format: | CD (Single) |
| 1 | Different World » Co-producer: Steve Harris » Engineer, Mixed By: Kevin "Caveman" Shirley » Producer: Kevin Shirley » Written-By: A.Smith, S.Harris | 4:15 |
| 2 | Iron Maiden - Live 2006 » Executive Producer: Steve Harris » Recorded By, Mixed By: Tony Newton » Written-By: S.Harris | 5:40 |
| Label: | EMI 00946 3 81805 7 9 |
| Genre: | Rock |
| Style: | Heavy Metal |
| Format: | Vinyl (Picture Disc , Single , 7" , Limited Edition) |
| A | Different World | 4:15 |
| B | Fear Of The Dark (Live 2006) | 7:47 |
| Label: | Sanctuary Records 06076-84789-2 |
| Genre: | Rock |
| Style: | Heavy Metal |
| Format: | CD (Maxi-Single) |
| 1 | Different World » Written-By: A. Smith, S. Harris | 4:14 |
| 2 | Hallowed Be Thy Name » Written-By: S. Harris | 7:13 |
| 3 | The Trooper » Written-By: S. Harris | 3:56 |
| Label: | EMI DVDEM 714. 00946 3 84956 9 7 |
| Genre: | Rock |
| Style: | Heavy Metal |
| Format: | DVD (Single) |
| 1 | Different World (Video) | 4:17 |
| 2 | The Reincarnation Of Benjamin Breeg (Live) | 7:47 |
| 3 | Hocus Pocus (Audio) | 5:31 |
| Label: | EMI 3876662 |
| Genre: | Rock |
| Style: | Heavy Metal |
| Format: | CD (Single) DVD (Single) |
| CD Single | ||
| 1 | Different World | 4:15 |
| 2 | Iron Maiden - Live 2006 | 5:40 |
| DVD Single | ||
| 1 | Different World - The Video | 4:17 |
| 2 | The Reincarnation Of Benjamin Breeg - Live 2006 ( Includes Extensive Selection Of Tour Photos ) | 7:47 |
| 3 | Hocus Pocus | 5:31 |
| Label: | EMI CDEMDJ714 |
| Genre: | Rock |
| Style: | Heavy Metal |
| Format: | CD (Promo) DVD (Promo) |
| CD1 | Different World - The Single | 4:13 |
| DVD1 | Different World - The Video | 4:13 |
| Label: | Sanctuary Records SANDJ-85773-2 |
| Genre: | Rock |
| Style: | Heavy Metal |
| Format: | CD (Single , Promo) |
| 1 | Different World » Written-By: A. Smith, S. Harris | 4:14 |
| Label: | EMI 00946 3 81805 7 9 |
| Genre: | Rock |
| Style: | Heavy Metal |
| Format: | Vinyl (Picture Disc , Single , 7" , Limited Edition) |
| A | Different World | 4:15 |
| B | Fear Of The Dark (Live 2006) | 7:47 |
| Label: | EMI 00946-382453-2-2 |
| Genre: | Rock |
| Style: | Heavy Metal |
| Format: | CD (Promo) DVD (Promo) |
| CD1 | Different World - The Single | 4:13 |
| DVD1 | Different World - The Video | 4:13 |