Hi. Anybody can play difficult RPG game like this. Here the list.

1. Wizardry I-II-III: Story of Llylgamyn (The order is PGMO-KOD-LOL)
2. Wizardry IV: The Return of Werdna
3. Wizardry V: Heart of the Maelstrom (SNES or Super Famicom because censorship differences)
4. Wizardry VI: Bane of the Cosmic Forge (Include the Super Famicom/Saturn version too)
5. Wizardry VII: Crusader of the Dark Savant (Include the Saturn/PS version too)
6. Wizardry 8

Include some Japanese Wizardry too:
7. Wizardry Gaiden I: Suffering of the Queen
8. Wizardry Gaiden II: Curse of the Ancient Emperor
9. Wizardry Gaiden III: Scripture of the Dark
10. Wizardry Gaiden IV: Throb of the Demon's Heart
11. Wizardry Dimguil
11. Wizardry Empire (GBC)
12. Wizardry Empire: The Staff of Ressurection (GBC)
13. Wizardry Empire: Princess of the Ancient (PC)
14. Wizardry Empire: Legacy of the Princess (PC)
15. Wizardry Chronicle

For main series/gaiden, importing is useful during in your longplay. Will take long time.