4Stack #66 — answers & breakdown

Thursday, September 17, 2026

The sixteen cards in this puzzle were: The Burning Crusade, Wrath of the Lich King, Legion, Shadowlands, EVE Online, Final Fantasy XI, Ultima Online, EverQuest, City of Heroes, Tabula Rasa, WildStar, Warhammer Online, Subscription, Buy-to-play, Free-to-play, Cash shop.

The four stacks

WoW expansions

The Burning Crusade, Wrath of the Lich King, Legion, Shadowlands

Long-running MMOs

EVE Online, Final Fantasy XI, Ultima Online, EverQuest

MMOs that shut down

City of Heroes, Tabula Rasa, WildStar, Warhammer Online

MMO business models

Subscription, Buy-to-play, Free-to-play, Cash shop

Want to try it yourself? Play puzzle #66 — archive plays don't affect your streak. Or jump into today's puzzle.