Wizardmage's Phantasy Star Kingdom
- Contains character and enemy information, maps, and technique lists.
- http://zio.itgo.com/

Home of Classic RPGs - Phantasy Star IV
- Contains character information, town and dungeon maps, enemies , MIDI files and a walkthrough.
- http://rpg-home.lunar-net.com/psiv-web/

Phantasy Star IV
- Includes pictures, storyline, commentary, and tips.
- http://www.gamelegacies.com/ps4.html/

GameFAQs
- Contains walkthroughs, guides, lists, codes, and player reviews.
- http://www.gamefaqs.com/console/genesis/game/563334.html

RPGClassics.com
- Contains illustrated character, enemy, technique, skill, and item lists and a walkthrough.
- http://www.rpgclassics.com/shrines/genesis/ps4/

GameWinners.com
- Contains cheats, codes, hints, and FAQs.
- http://www.gamewinners.com/GEN/PhantasyStar4.htm

RPGamer.com
- Includes screenshots, music, MIDIs, walkthroughs, maps, script, and artwork.
- http://www.rpgamer.com/games/ps/ps4/ps4.html