Links

Dale DeSharone (credited as Dale Disharoon) designed and programmed the game, working with Snyder to on the plot and dialogue to be a continuation of the trilogy, and with William Groetzinger who created the art.

Many other people have kept Green-Sky alive through memories, writing, and guides. Here are the original materials, interviews with the creators, other players' recollections, reviews, and playthroughs.

Original materials and reference

• The original manual (Internet Archive). Instructions, characters and Snyder’s account of designing the game.
• Museum of Computer Adventure Game History. Box, map, manual and disk photographs. Manual PDF.
• Wikipedia. Historical overview and bibliography.
• MobyGames. Platform information, credits and screenshots.
• Lemon64. The C64 game entry and players’ memories.
• The Cutting Room Floor. The hidden editor and other discoveries inside the game.

The game and its makers

• John Szczepaniak: The making of Below the Root (Time Extension, 2024). Bill Groetzinger recalls creating Green-sky, alongside accounts from Dale DeSharone and Zilpha Keatley Snyder.
• Dale DeSharone — an unspoken legend (Hardcore Gaming 101, 2012). The earlier interview cited by Time Extension.
• Zack Smith: Weird Children’s Books: Zilpha Keatley Snyder and Below the Root (2013). How the game continues the novels and changes their ending. Spoilers for both.
• Compute!, September 1985. Issue index listing Nick Piazza Jr.’s contemporary review.

Reviews and recollections

• Justin Stahlman: Below the Root: a story, a computer game and my lifelong obsession (2015). Childhood discoveries, a proposed remake, a complete 10240×2560 map and extracted sprites.
• Phil Salvador: Below the Root (The Obscuritory, 2020). On hospitality, trust and the game’s kindness.
• Mark Krepela: Below the Root (Lemon64, 2004). Exploring Green-sky, its atmosphere and its frustrations.
• Wingnut: Below The Root — Commodore 64 — 1984 (2012). Discovering the C64 game years later, with a map and gameplay video.
• Darby McDevitt: Digital Future, Invisible Past (2014). Returning to Below the Root and the difficulty of keeping old games playable.

Playthroughs and guides

• Data Driven Gamer: Game 373: Below the Root (2023). A C64 playthrough with maps and detailed observations. Completion and assessment.
• The Adventurers’ Guild: Below the Root (2011). A newcomer follows the clues in the PC version. The final part.
• TarynB93: Guide and walkthrough (GameFAQs). Quest solutions, maps and an account of discovering the hidden level editor.

Listen

• Altus: Below the Root (2017). An ambient album inspired by the game.
• Retronauts episode 536: Below the Root (2023). A dedicated podcast episode. This Patreon listing requires membership.