Some servers similar to Concordia MC include:

1. HermitCraft – A popular semi-vanilla server with a focus on community interaction and collaboration. Players can join a vast world and create their own unique structures while also participating in group events and challenges.

2. The Hive – A server with a wide variety of mini-games and game modes to keep players entertained. From survival games to parkour challenges, The Hive offers something for everyone looking for a fun and competitive Minecraft experience.

3. Hypixel – Known for its diverse range of mini-games and custom game modes, Hypixel is a server that offers endless entertainment for players of all skill levels. Whether you prefer PvP battles or creative building challenges, Hypixel has something for you.

4. Mineplex – Another popular server with a focus on mini-games and community-driven events. Mineplex offers a wide range of game modes, including survival, creative, and competitive challenges, making it a great choice for players looking for a fun and engaging Minecraft experience.

5. CubeCraft Games – A server that offers a mix of both classic and custom mini-games, CubeCraft Games is perfect for players who enjoy both traditional Minecraft gameplay and unique challenges. With regular updates and new game modes added regularly, CubeCraft Games keeps players coming back for more.