Version 1 of the system-to-family classification, derived from the core catalogue.

Game families · version 1

Identifier of the immutable classification release.

classification_version

Stable identifier for a source system entry. Preserve it across later versions and name changes.

system_id

Exact system name from the core snapshot.

system_name

Stable family identifier; empty for standalone and unclassified rows.

family_id

Display name of the assigned family; empty when no assignment is made.

family_name

status

Machine-readable reason for the assignment or gap.

reason

JSON array of the original catalogue labels across the system's records.

source_family_labels

Number of source book/edition records represented by the row.

source_record_count

Explanation of the grouping or missing assignment.

notes

v1 Game family assignments

v1 Original release manifest

v1-rules

v1 Frozen classification rules

A combined release of the system-to-family mapping and researched public Discord server associations.

Game families & Discord · version 2

v2 Game family assignments

v2 Original release manifest

v2-rules

v2 Frozen classification rules

v2-discord-servers

Stable project identifier, discord- followed by the guild ID.

server_id

Discord's server identifier, stored as text.

discord_guild_id

Server name returned when the invite was checked.

server_name

Public invite; its token is not the server identity.

invite_url

Public invite lookup requesting approximate membership for a later check.

member_count_url

Public page advertising the invite, or the server's public self-description.

source_url

community_type

game, family, publisher, or multi_game; describes the wider audience.

audience_scope

ISO date on which the invite identity and public evidence were checked.

checked_on

invite_resolved; does not claim an internal-channel audit.

verification_status

Scope, edition limits, and source qualifications.

v2 Discord servers

v2-discord-mappings

system or family; selects the ID namespace.

target_type

A system or family ID from the same v2 release.

target_id

system for a direct system link; family_subset for its explicit family crosswalk; family for independently evidenced whole-family coverage.

scope

Evidence for the system's relevance. Family links use this evidence plus the bundled family CSV.

evidence_url

Scope explanation; family links list the member systems they cover.

v2 Discord mappings

Game families, public Discord servers and researched subreddits in one versioned classification.

Game families, Discord & Reddit · version 3

v3 Game family assignments

v3 Original release manifest

v3-rules

v3 Frozen classification rules

v3-discord-servers

v3 Discord servers

v3-discord-mappings

v3 Discord mappings

v3-reddit-communities

Stable project ID: reddit- plus the lowercase subreddit name.

community_id

Reddit's t5_… community identifier when retrieved; empty when unavailable.

reddit_fullname

Public handle without r/; compare names case-insensitively.

subreddit_name

Community title from reviewed public evidence.

community_title

Public https://www.reddit.com/r/<name>/ link.

subreddit_url

Subreddit-about JSON endpoint for a later subscriber lookup.

subscriber_count_url

Equivalent OAuth API resource; requires authorized access.

oauth_subscriber_count_url

not_live_verified; no successful live subscriber lookup is claimed.

subscriber_lookup_status

Reviewed primary public evidence: community page, metadata or discussion.

Discovery source, often the public r/rpg directory.

discovery_url

game, family, multi_game or publisher; wider audiences remain shared.

public, publicly readable restricted, or not_recorded.

subreddit_type

Evidence-review date, not a live count observation date.

public_page_reviewed or public_metadata_reviewed; cached evidence may be included.

Scope limits, edition details, evidence method and gaps.

v3 Reddit communities

v3-reddit-mappings

A system or family ID in this same release.

system, family_subset through named systems, or independently evidenced whole family.

Public source supporting the association.

Scope limits or the systems supporting a subset association.

v3 Reddit mappings

Dated Discord membership and Reddit subscriber observations, including the October 18 Reddit collection gaps. These are partial snapshots, not a monthly ranking.

Community membership observations · October 2026

reddit-memberships

platform

community_name

expected_platform_id

public_url

request_url

metric

returned_platform_id

Observed nonnegative count; empty when collection failed or was not attempted.

members

requested_at

captured_at

extraction_method

Relative reference to private local evidence; the image is not published.

screenshot_path

SHA-256 of the private screenshot, retained for provenance.

screenshot_sha256

Reddit subscriber observations, 19 October 2026

discord-memberships

returned_name

http_status

response_date

response_age_seconds

attempt_count

evidence_id

Discord membership observations, 18 October 2026

Reddit collection gaps, 18 October 2026

First published snapshot: additive community memberships for tracked RPG systems and families.

October 2026

metrics

metric_id

Pinned classification family identifier; empty for unassigned systems.

Additive memberships for tracked systems, not unique people. Empty means missing.

Dataset catalogue

Game families · version 1

Game families & Discord · version 2

Game families, Discord & Reddit · version 3

Community membership observations · October 2026

October 2026