Aquaplus PIECE - Undumped Discs
| Title | Region | Year | Notes |
|---|---|---|---|
| Aquaplus P/ECE CD | Japan | Title unconfirmed, bundled with P/ECE handheld. | |
| P/ECE Hand Book | Japan | Coverdisc, bundled with mook of same name | |
| P/ECE Hand Book: Vol. 2 | Japan | Coverdisc, bundled with mook of same name |