Technical presentation about creating a fast-paced realtime online multiplayer mobile game. Using modern server-less technologies and cloud systems. Video presentation explaining in Turkish https://youtu.be/xeXDUcxJ94k

1. Football-X, Behind the Scene (Technical)

2. Me
Founder of ‘Football X’
15+ years of experience mostly in gaming
Game Developer, Product Lead
Team Lead, Tech Consultant
Ex-Flash Developer
suatsahin.com
suat@suatsahin.com
Indie Prize, Los Angeles

3. Football X
● Casual Arcade Football
● Online Multiplayer Fast-Paced PvP
● Unity, Spine
● Firebase & Photon & GCP
● Fantasy Cartoon Concept
● Released on IOS & Android
● 2D Graphics (3D Pre-Rendered)

4. Progression
● Partnered with Gamester
● 7 Months for First Release
● Indie Prize at Los Angeles
● Added New Features
● Visual Rework
● Many Releases (~20)
● 2.5 Year Total Time Spent
● Failed in Market

5. Main Screen

6. Lobby

7. Opponent Search

8. Game Play

9. Game Play

10. Match End

11. Player Select & Upgrade

12. Shop

13. Requirements
● Low Server Cost
● Low Development Cost
● Easy-Low Maintenance Cost
● Configurable via JSON (ex: Chests)
● Lots of Features
● 1 Software Developer
● Online Fast-Paced Multiplayer PvP
● Publish to Global
● Multi-Language
● Multi-Platform, Cross-Platform
● Works on Low-End Devices (IPhone 5C)
● Works on High Latency Connection
● On Demand Scaling

14. Lots of Features
● Daily Rewards
● Avatars
● Powerups
● Dynamic Shop, Resources (Double
Currency, Energy)
● Chest Models (more than 100x)
● Onboarding
● Tutorials
● Game Play Features (Boost, Portals,
2X Wall, Drops, Emojis etc.)
● etc.
● Online PvP
● AI (Match, Season)
● Clubs
● Friend List, Challenges
● Level Progression & Rewards
● Feature & Content Unlocks
● Trophies & Missions
● Arenas
● Seasons (Player, Club)
● JSON for Everything

15. Client
● Unity
● Spine Animations
● UI Set (Prefabs)
● Size <90MB (2048 Textures, Crunch, Atlases)
● Screen Aspect-Ratio (Tablet, Phone)
● Tools (AI, Feedback, Log Report)
● Crash Reports with Logs

16. Game Server & Network
● Photon Realtime (Relay, Match Making, Game Rooms, Logs etc.)
● Global Servers
● Scaling
● Client Hosted Architecture (Cost Reduction!)
● Cheat Detection
● Web Hooks
● High Latency Strategy (AI, Conn Tolerance)
● Network Tricks (Lag Compensation, Prediction, Fake Physics, etc.)

17. Client - Photon - API
Flow

18. API Server
● Firebase (Auth, DB, Analytics, etc.)
● NoSQL Realtime Database
● NodeJS
● TypeScript
● Express
● Redis
● Serverless VPC for GCP Services
● DB Sharding Scaling
● API Scaling (Cloud Function Instances)
● API Versioning
● System Monitoring (Health, Work Load, Logs, DB Profiler etc.)
● Costs (DB Storage, Bandwidth, CPU, Memory, Redis)

19. Client - API
Flow

20. Data Optimization Strategy
● Data Merge
○ Game Data & User State
○ %80 Cost Reduction
● Instance Caching
● Logical Data Context
○ DB Workload Reduction
○ Update Data at Once
● Multiple Databases
Game Data User State

21. AI
Match AI
- Multiple Difficulty Level
- Changes Depending on Score
- Various Play Styles (20 Parameters)
- JSON Config
- A/B Test
Season AI
- Multiple Difficulty Level
- Win, Lost, Draw chances
- Bot Count for Season
- Changes via Season Level
- Scheduled Play Time
- JSON Config
- Redis
- Just Few Bots for Unlimited Users

22. AI Tool
20 Parameters, Multiple AI Config

23. Season & Season AI

24. Conclusion
● Don’t Make It Alone
● Casual Games are Not Easy
● Core Mechanics <%5 of Total Work
● Market Comes First
● Cloud is Your Friend
● Use Online Services
● Optimization Matters

25. Thank You!
Any Questions?
Contact
suat@suatsahin.com
suatsahin.com
2009 Amsterdam Adobe Flash Conference