Top similar games like Cellyon: Boss Confrontation:

Assemble your crew, take to the skies in the premier PvP airship combat game. Guns of Icarus Online is all about flying massive airships, shooting big turret weapons, and working as a team for supremacy of the skies. Everyone as one, victory or death, together.

Magicka is a satirical action-adventure game set in a rich fantasy world based on Norse mythology. The player assumes the role of a wizard from a sacred order tasked with stopping an evil sorcerer who has thrown the world into turmoil, his foul creations besieging the forces of good.

Gather your party and get ready for a new, back-to-the-roots RPG adventure! Discuss your decisions with companions; fight foes in turn-based combat; explore an open world and interact with everything and everyone you see. Join up with a friend to play online in co-op and make your own adventures with the powerful RPG toolkit.

Create your hero and lead your troops on the battlefields of Bersia! Kingdom Under Fire 2 is an action-packed MMORPG/RTS hybrid. Choose one of five heroes, explore a fantasy world and hone your skills until you and your troops are ready for the epic-scale battles of this colossal war!

Cleave through hordes of enslaved machines in this 1 to 4 player action-roguelite, hack n slash. Equip your Effigy with unique Items and Weapons to fight against The Barons and their machines. Upgrade your Weapons with powerful Augments to modify them and how they play.

Become a powerful Rune Teller traveling through the open world of the Runegea. Recruit great colleagues for a fun journey, craft through a variety of items, and solve the requests of the Runegea residents. At the end of a long journey, you will find the reason for your resurrection.

The game brings you far into the future of a post-apocalyptic Sweden.

This is a free online fantasy RPG that is NOT pay to win! You can play all areas of the game, kill all bosses, get all the gear, and play any race or class. This game plays from a top down or 3rd person view.

THE DAY Online is a MOBA game with a mixture of 3D, 3rd person, action, strategy, and team play. The three distinctive battle arenas await your arrival. Come and experience unique and immersive gameplay with THE DAY Online.

Attuned is a cooperative Action Roguelike inspired by your favourite MMOs. Play with friends or unlock NPC-companions to form a 4 player party of tank, healer and DPS. Gain spells and items, maneuver enemy groups, kill bosses, chase loot but manage your risk or you might die and lose it all.

Who's Who 2.0 is back with brand new team! Looking for another dynamic party game? Each characters now holds unique skills which now will impact each modes with its own advantages! You can play solo, or party up with your friends and become the winner by eliminating the real players among the NPCs.

The adventure continues in Torchlight II! An Action RPG filled with epic battles, bountiful treasure, and a fully randomized world. Bring your friends along for the journey with online and LAN multiplayer.

Ardent: Rise is a fantasy real-time action RPG with strong tank / damage / healing roles, and multiplayer CO-OP PVE focus.

Explore vast, forgotten lands, cryptic abandoned ruins, and mysterious caverns, in this open-world voxel action-RPG. Create your own uniquely crafted class. Build multiplayer dungeon, PvP, or siege experiences. Run, vault, and leap effortlessly across endless wilderness, or delve deep underground.

Want to be a gambling cut-throat rogue, a righteous monk, or a spellcrafting mage? Dungeon Gang is a multiplayer RPG where you can do this and more with up to 12 players. Includes a custom dungeon creator.

Step into a dynamic Action RPG Arena Fighter set in a medieval fantasy realm. Create your champion, battle waves of enemies and level up with friends in solo or cooperative play. Earn gold for powerful gear and powerups!

Prime World is a free online game in RPG / MOBA genre with a unique universe where tactical session battles, castle management, and hero development are mixed together. Gather your collection of talents, build an army of invincible heroes and become the champion!

Victor Vran is the isometric action-RPG where your skill is just as essential as your character build and gear. Experience intense combat action: dodge, jump and unleash powerful skills to finish off your enemies!

Dungeon Defenders Eternity is the definitive version of the original tower defense action-RPG! Now featuring a rebalanced endgame, all new missions, secure online play, links to Dungeon Defenders II and more!

Use the Dungeon Editor to build entirely new adventures and challenges for other players to solve.

Dive into a world of epic adventure! Create your perfect hero thanks to a uniquely customizable class system. Collect, craft, and customize your gear. Go it alone or group up to challenge dungeons, raids, dynamic open-world content, and your fellow players.

Choose your hero, form your group and battle through dungeons together in a Multiplayer Online Dungeon Adventure. Progress through Leagues, endlessly scaling Dungeons and chase new rewards with every fresh season. With a growing roster of Heroes and content there’s always something new in FELLOWSHIP

An action game mainly focused on boss rushing in coop !

Elemental War Clash combines classic tower defense with roguelite and RPG mechanics as well as different elements to combine and create more powerful towers. In its PvP mode you can also battle with other players trying to overrun them with your own hordes of monsters!

Dive into the world of wild wolves and live your life as one of them! The best wolf RPG is finally here. Explore the amazing environment, develop your character and upgrade your skills to become the Alpha of your pack! Play with people from all over the World!

Elemental War 2 offers you the popular tower defense feeling combined with innovative game mechanics - the ultimate mix for many hours of fun!

For The Realm is a cooperative adventure where teamwork is your greatest weapon. In this sprawling fantasy land teeming with monsters, only by working together can you stand a chance at victory and bring peace back to the realm.

"Fumo" is a 3D MMORPG with the theme of Eastern Immortal Heroes. The game is set in "Fengshen Yanyi" as the story background, showcasing the increasingly fierce struggle between Buddhism, demons, and Taoism in the human world 1500 years after being Fengshen.

Shadow Arena Early Access has ended.​ A heartfelt thank you to all the players​ who walked with us on this journey.​

In the face of many monsters, the best way is to build a strong piece of equipment.

Wizard War Online offers P2P connection mode and a game mechanic you are not used to. While flying with the sweeper, you will experience a different flight experience thanks to the customizable maneuver settings. Make strategic moves and pay attention to timing while fighting your enemies.

Do you like shooting? Then arm yourself - the world of Bombix awaits you! You will find yourself in the shoes of a small but VERY dangerous fighter, gather together a team of thugs and show 'em all how to fight!