rAthena · Hercules · Pre-renewal & renewal
Professional Ragnarok private server developer
Experienced development for rAthena and Hercules private servers. Scripts, source mods, economy systems, and full server setup.
10+ years · Trusted by 50+ server owners · Quotes within 24 hours
Happy Devs is an experienced Ragnarok Online private server developer. Server owners hire us to ship custom NPCs, quests, economy systems, C++ source changes, Hercules plugins, FluxCP sites, and complete rAthena or Hercules setups that stay stable after launch.
What we build
Private server development that keeps players online and the economy stable.
Economy & balance
Gold sinks, shops, and reward systems that keep your server's economy healthy over the long term.
Source modifications
C++ changes for custom skills, performance fixes, and features that scripts alone cannot handle.
Web & server setup
FluxCP integration, VPS setup, and connecting your website to the game server.
Pricing
Starting points — exact quotes provided within 24 hours.
Starter
per script, NPC, or system
- ✓Custom NPC scripts
- ✓Quest systems & events
- ✓Economy NPC implementations
- ✓rAthena or Hercules
- ✓1–3 day delivery
Pro
scales with complexity
- ✓C++ source modifications
- ✓Custom skill systems
- ✓Hercules plugin development
- ✓Source ↔ plugin conversion
- ✓Performance improvements
- ✓1–2 week delivery
Full setup
milestone-based
- ✓Full server setup (rAthena/Hercules)
- ✓FluxCP + game server integration
- ✓Economy system design
- ✓Long-term management retainer
- ✓Delivery by milestone
Payment: PayPal · Crypto · Bank transfer
What clients say
Scripting & NPC implementation · 2024
“Happy Dev was a friendly dev, will answer your question and dealing with customer with complete patient and care”
Yatohime
Server owner — pre-renewal 300-player server
Returning client · Source modifications · 2025
“Fast delivery service and reasonable prices. 11/10 Would order from him again”
Satisfied Client
Server manager — renewal PvP server
Custom skill system · 2025
“I highly recommend Happy's services! He's my number one choice for customer service and professionalism”
Spangler
CTO — private RO development studio
FAQ
Common questions about working with us.
Get a quote
Message us on Discord with a brief description of what you need.
Average response under 24 hours · Free quotes