Sources
GGG manifestos & dev quotes (verified)
- Trade Manifesto (2017) — the canonical "why no auction house" post. Verbatim quotes used in trade-and-economy.
- Harvest crafting changes manifesto (3.13/3.14) — the deterministic-crafting nerf rationale.
- Chris Wilson interview, Esports Edition (Sept 2017) — https://esportsedition.com/featured/chris-wilson-interview-fall-of-oriath-review/
GDC talks & retrospectives
- Chris Wilson, "Designing Path of Exile to Be Played Forever" — GDC 2019. The longest-form articulation of the design philosophy.
- The Escapist 10-year retrospective interview with Chris Wilson — https://www.escapistmagazine.com/path-of-exile-interview-chris-wilson-grinding-gear-games-10-year-anniversary-path-of-exile-2/
Wiki (canonical)
- PoE Wiki — Atlas of Worlds
- PoE Wiki — Atlas Passive Skill Tree
- PoE Wiki — Map
- PoE Wiki — Sextant
- PoE Wiki — Experience (death penalty)
- PoE Wiki — Pinnacle boss
- PoE Wiki — Maven's Invitation
- PoE Wiki — Currency
- PoE Wiki — Modifier
- PoE Wiki — Ascendancy class
- PoE Wiki — Keystone
- PoE Wiki — Timeless Jewel
- PoE Wiki — Orb of Fusing (six-link odds)
- PoE Wiki — Recombinator
Analysis & community resources
- NeverSink-Filter (GitHub) — the de facto loot filter.
- FilterBlade — web tool for customising NeverSink's filter.
- Maxroll — Atlas Passive Tree explained
- PoE Vault — Atlas progression strategy guide
- Game Developer — PoE economy currency trading
- Massively OP — Harvest nerf coverage (Mar 2021)
- Fandom interview — Chris Wilson on PoE 2's origins — useful context for PoE1's gem/socket design as well.