Custom development for Ragnarok Online servers
Scripts, source mods, and full setups for rAthena and Hercules. Ship features faster and keep your players longer.
Trusted by 50+ server owners · 3-day average delivery · Quotes within 24 hours
What we build
Practical development work that keeps your server running smoothly.
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