KD Labs

Momentum: The Gamified Life OS

A gamified productivity platform that turns personal growth into an RPG experience. Track habits, fitness, finances, and learning in one dashboard while earning XP and leveling up your real-life character.

Productivity
Gamification
Life OS
Self Improvement
Habit Tracker
Fitness Tracker
Finance
Next.js
TypeScript
PostgreSQL
Prisma
TailwindCSS
Full Stack
React
Zustand
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Technical Documentation

Project Momentum – Technical & User Documentation

1. Project Overview

Momentum is a Gamified Life Operating System that bridges productivity and engagement by treating personal growth like a Role-Playing Game (RPG). Instead of static to-do lists, Momentum frames life progression through experience points (XP), levels, identities, and consistency mechanics.

Users are the protagonists of their own lives—earning XP for meaningful actions, leveling up through consistency, and unlocking new identities as they improve across biological, cognitive, and professional domains.

At its core, Momentum enforces progressive overload for life: over time, users naturally do more, better, or more consistently, similar to progression systems in fitness or video games.

2. User Guide – How to Play Your Life

Momentum follows a strict and repeatable feedback loop:

Plan → Act → Track → Review

Phase 1: Setup – Architecture of Life

Users begin by defining the core pillars that structure their lives:

  • Habits Simple, recurring daily actions (e.g., Drink 3L Water, Read 10 Pages). These are the foundation of streaks and consistency.

  • Skills Long-term mastery paths tracked by time invested (e.g., Coding, Piano). Designed around deliberate practice and mastery thresholds.

  • Streams Revenue or value-generation sources used to track financial output versus effort input.

Phase 2: The Daily Grind – Action

Each day, users interact primarily with the Dashboard, which serves as the command center.

  • Habit Check-ins Completing daily habits increases streaks and grants base XP.

  • Task Execution One-off, high-priority tasks are completed for burst XP rewards.

  • Gym Module Logs workouts using structured data (sets, reps, weight) against weekly plans.

  • Study Module Tracks focused learning sessions using hours or Pomodoro-based execution.

Phase 3: Gamification – Reward & Motivation

  • XP & Levels Every valid action grants XP. Accumulated XP triggers visual and auditory Level Up feedback.

  • Identities At predefined level milestones (e.g., Level 10, Level 50), users unlock new Identities such as The Beginner or The Disciplined, providing long-term narrative progression.

  • Shields Shields are earned through consistency and can be consumed to protect streaks after a missed day—balancing discipline with forgiveness.

Phase 4: Review – Optimization & Insight

  • Analytics Dashboard Weekly and monthly visualizations highlight consistency, habit completion rates, and engagement trends.

  • Financial Review Income streams are analyzed against time and effort invested to optimize earning efficiency.

3. Technical Architecture

Momentum is built as a Modular Monolith, prioritizing:

  • Type safety
  • Server-side rendering
  • Clear separation of concerns
  • Long-term scalability without microservice overhead

Technology Stack

LayerTechnologyRationale
Frontend FrameworkNext.js 15+ (App Router)Uses React Server Components to minimize client bundles and improve initial load performance
LanguageTypeScriptEnd-to-end type safety across frontend and backend
StylingTailwind CSSUtility-first styling aligned with a design-system approach
State ManagementZustandLightweight client-side state for UI, modals, and optimistic updates
DatabasePostgreSQLStrong relational guarantees for complex user-life relationships
ORMPrismaType-safe queries and reliable schema migrations
VisualizationRechartsPerformant SVG-based analytics and charts

Build Architecture

The application follows the Next.js App Router pattern:

  • /src/app/api Backend REST-style endpoints. All database access and mutations live here.

  • /src/components

    • UI Components: Buttons, Cards, Inputs
    • Feature Components: HabitTracker, GymLogger, StudyTracker

  • Server Actions Mutations leverage Next.js Server Actions where possible, reducing latency and eliminating unnecessary API layers.

4. Entity Relationship Diagram (ERD)

The schema models a user’s life as structured, interconnected systems.

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5. Data Flow Diagram

The following illustrates how a single user action propagates through the system:

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Momentum transforms daily discipline into a visible, rewarding progression system—making self-improvement measurable, motivating, and sustainable.