“游泳圈”

Source/sink model: expected income per player type (casual/active/whale) per

Progression curves: XP-to-next-level, cost/income, and power curves as

Loot: drop tables with pity/timer systems, independence vs stacking rules,

Controls: live-ops levers table (event multipliers, shop rotation), analytics

FTUE / Onboarding Flow Designer

Designs the first-time-user-experience beat-by-beat: teach by doing, hook timing, and drop-off measurement. Critical for F2P retention.

Narrative/context wrapper that establishes the fantasy in under 90 seconds;

Beat table (time | action taught | input method | fail state allowed? |

Teaching method per mechanic: guided action > contextual prompt > tooltip;

Hooks before quit points: cliffhanger/next-reward previews, push/notification

Instrumentation: funnel events per step with target completion %, skip rate,

Level Design Plan / Whitebox Spec

Produces a buildable level flow spec: pacing graph, player reads, encounter spacing — usable before any art exists.

Intent: what new verb/combination/mastery this teaches or tests; emotional

Flow map (text/ASCII): spaces, entrances/exits, one-way vs revisit, choke

Player reads: at every approach, what can the player see and learn before

Encounter table: location | enemy/composition | available tools | space shape

Rewards & secrets: visibility/attract hierarchy, optional challenge rewards,

Whitebox art pass checklist and the metrics to instrument (flow, deaths heat

Combat System Deep Design

Frame-precise combat spec (action games): timing, hitboxes, cancel rules, and game feel — the details that make combat land.

Verbs list with frame data table: move | startup/active/recovery frames at

Hit model: hurtbox/hitbox pipeline, active frame shape, multiple-hit rules,