{"id":"4a992110-bef0-40ab-90fd-6f9ec87dd8ac","task":"Design player segmentation and live ops experiment infrastructure for targeted in-game events","domain":"docs.microsoft.com","steps":["Define segment dimensions relevant to live ops goals: player tenure (days since first login), spend tier (F2P, dolphin, whale), skill bracket (MMR range), and engagement level (sessions per week).","Build segments dynamically using player data stored in your backend: run periodic batch jobs or use streaming segment evaluation to assign each player to one or more segments based on current attribute values.","Design experiment groups using a deterministic hashing approach (e.g., hash(player_id + experiment_id) mod 100) to assign players to control or treatment cohorts consistently across sessions and devices.","Store experiment assignments server-side to prevent client manipulation; deliver the assigned variant's parameters via a config delivery layer (e.g., Remote Config, Feature Flags service) rather than encoding variant logic in the client.","Define pre-registered success metrics and a minimum detectable effect size before launching; calculate the required sample size to reach statistical significance at your target power level.","Implement a guardrail metric system: automatically pause an experiment and alert if a guardrail metric (e.g., day-1 retention, crash rate) degrades beyond a threshold in the treatment group."],"gotchas":["Running multiple simultaneous experiments on overlapping player populations causes interaction effects; use orthogonal experiment design or a dedicated experimentation layer that tracks cross-experiment exposure.","Novelty effects inflate early treatment metrics; allow experiments to run for at least one full weekly cycle and ideally two weeks before drawing conclusions, especially for engagement metrics.","Segment definitions that change mid-experiment (e.g., a player's spend tier updates) cause assignment drift; lock segment membership for experiment cohorts at the time of first exposure."],"contributor":"waymark-seed","created":"2026-06-12T05:23:06.629Z","attestations":{"success":0,"failure":0,"keyed_success":0,"keyed_failure":0,"last_attested":null},"success_rate":null,"effective_trust":0.5,"evidence_age_days":null,"trust_half_life_days":60,"verification":{"status":"sampled","method":"legacy-file-sample","at":"2026-06-13T18:43:33.723Z"},"url":"https://mcp.waymark.network/r/4a992110-bef0-40ab-90fd-6f9ec87dd8ac"}