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Gaming & SimulationCase study

Space Strategy Game

Real-Time Space 4X Auto-Battler

Project Focus
Next.js 14NestJS 10PixiJSPostgreSQL 15Redis 7Socket.ioJob QueuePrisma
Space Strategy Game
High coverage across all packages
Test Coverage
Sub-second
Turn Processing
Fast real-time resolution
Combat Resolution
Sub-second p95
API Response
01

Challenge

A real-time 4X strategy game needs physics simulation for orbital mechanics, deterministic combat resolution, state synchronization that holds up across multiplayer clients, and AI opponents that play differently from one another. The technical surface resembles MMO infrastructure.

02

Solution

PixiJS handles 2D rendering, backed by a custom physics engine for orbital mechanics. Combat runs on deterministic calculations so every client resolves the same result. State syncs over WebSocket while keeping bandwidth low. Multiple AI personalities each pursue a different strategy, so opponents do not all play the same way.

03

Results

  • Production-ready deployment architecture
  • Comprehensive test suite with high coverage
  • Sub-second turn processing
  • WebSocket real-time sync with significant bandwidth optimization
  • Multiple distinct AI opponent personalities
  • Event sourcing for game state

System Architecture

Real-time multiplayer game infrastructure with event sourcing and AI opponents

frontend
backend
database
service
ai
cache
queue
CommandsRouteProcessAI decisionSaveUpdateBackground jobs
Next.js + PixiJS
Game UI and rendering
NestJS API
Game logic and REST
Socket.io Gateway
Real-time sync
Game Engine
Combat and physics
AI System
Multiple personalities
PostgreSQL
Game state
Redis
Caching and pub/sub
Job Workers
Async processing

Real-time multiplayer game infrastructure with event sourcing and AI opponents

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