Lineup Realm is a fantasy sports advice service that helps users make start-or-sit decisions for the roster they actually own. Members save a team by importing or entering player names, then ask questions tailored to their sport, scoring system, and lineup format. The service covers NFL, NBA, MLB, NHL, and soccer, offering answers through four analyst personas with distinct perspectives: Rex delivers a decisive recommendation, Mara assesses player usage, D-Rock evaluates whether a role is secure, and Elise interprets official availability designations.

Each response is designed to provide a clear call, a reason, and a risk, rather than a generic ranking or lengthy spreadsheet. Users can ask questions digitally and schedule pre-game calls, with video or text available at the scheduled time. Pre-game calls are a paid add-on for Starter, Pro, and Season memberships and are included with Elite; they are not available on Free.

Lineup Realm presents its service for entertainment and information only and does not offer betting, accept wagers, or operate as a sportsbook