Browser Game Development Similar to eRepublik

I'm in need of experienced web developers for creating a browser-based game akin to eRepublik.com. This game should be accessible on both desktop and mobile browsers, packed with strategy, role-playing elements, and multiplayer interactions. Moreover, I require comprehensive graphic design services for the game.

Key Requirements:
- Proficient in web development with a focus on game creation
- Extensive experience in implementing strategy and role-playing elements
- Ability to integrate seamless multiplayer interactions
- Full-service graphic design capabilities
- Expertise in creating games compatible with both desktop and mobile browsers