The Forest Cathedral is a three-dimensional adventure exploration game in which the player, as Rachel Carson, undertaking field research on Science Island by using tools that scan the ecosystem.

Revealing anomalies using these tools requires the player to solve two-dimensional puzzles.

[1] The Forest Cathedral was created by solo developer Brian Spring, based in Erie, Pennsylvania.

[5] Edwin Evans-Thirlwell for The Guardian considered the game to feel "forced" in its message and feature "dissatisfying" voice acting, although finding the "shock and dislocation" of its themes to have merit as a horror game.

[7] The Forest Cathedral was nominated for a Nuovo Award at the Independent Games Festival in 2024.