| # | Item | Type | Release | |
|---|---|---|---|---|
| 1 | D4: Amanda's Costume Full Unlock Key | dlc | 17 Jul 2015 | |
| 2 | D4: David's Beard Full Unlock Key | dlc | 17 Jul 2015 | |
| 3 | D4: David's Costume Full Unlock Key | dlc | 17 Jul 2015 | |
| 4 | D4: Forrest's Costume Full Unlock Key | dlc | ||
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311 Sep 2026
| 17 Jul 2015 |
| 5 | D4: Hand Cursor Set Vol.1 | dlc | 31 Jul 2015 |
| 6 | D4: Hand Cursor Set Vol.2 | dlc | 31 Jul 2015 |
| 7 | D4: Hand Cursor Set Vol.3 | dlc | 31 Jul 2015 |
| 8 | D4: In Game Document Full Unlock Key | dlc | 3 Jul 2015 |
| 9 | D4: Olivia's Costume Full Unlock Key | dlc | 17 Jul 2015 |
| 10 | D4: SWERY's Choice Costume Set -4 Bottles of Tequila- | dlc | 5 Jun 2015 |
| 11 | D4: SWERY's Choice Costume Set -4 Cups of Coffee- | dlc | 5 Jun 2015 |
| 12 | D4: Season One Voice Over Script | dlc | 5 Jun 2015 |
| 13 | D4: Special Art Book | dlc | 5 Jun 2015 |
| 14 | D4: Special Costume Set -12 Beers- | dlc | 5 Jun 2015 |