Games like DC Universe Online

"Rift" is a free-to-play, massively multiplayer fantasy role-playing game with co-op and PvP modes. Create your character from two factions, three races, and a variety of Souls, each with unique abilities and traits. The game boasts impressive graphics, engaging story, and innovative mechanics, allowing you to mix and match abilities and change character builds at any time. Every armor or costume piece you acquire can be used across all your characters, making for a customizable and unique gameplay experience.

"Vindictus is a historical hack and slash massively multiplayer online game, where up to 2 players can play together in co-op mode or single-player. The game features brutal combat with complex and fast-paced system, allowing players to utilize combos, magic and environment to defeat enemies. Choose from 16 distinct characters, each with unique skills, armor and personality."

"The Elder Scrolls Online is a massive multiplayer role-playing game set in the world of Tamriel, where players can explore, quest, and join factions in an ever-expanding story. The game offers new zones, such as West Weald and the Telvanni Peninsula in Morrowind, and a new class - the Arcanist. The Newcomer Pack provides additional perks for new players, including a Flame Skin Salamander pet, crowns, and an experience scroll."

"Aura Kingdom is a historically-inspired, anime-styled MMORPG with a massive open world and diverse customization options. Players can choose from ten classes, each with unique skills, and are joined by powerful Eidolons. Questing and combat against monsters with varying skills make up the majority of the game, with the option to play solo or in a party."

"Star Wars: The Old Republic" is a free-to-play MMO that lets you play as various STAR WARS roles and explores the galaxy 3000 years before the classic films. The game features a personalized story-driven saga with cinematic dialogue, full voiceover, and the option to choose between the Light or Dark side of the Force. With ongoing content through regular updates and 8 unique stories, players can create their own legacy in this expansive STAR WARS world.

"Dungeons & Dragons Online is a free, 3.5 edition RPG game with authentic gameplay and iconic monsters from the beloved tabletop game. Experience danger and adventure, test your skills in combat, and play alone or with friends in this massively-multiplayer online game."

Defiance is a massively multiplayer science fiction shooter game with good story and graphics, offering both co-op and competitive gameplay. Scavenge for alien technology on a transformed Earth, equip powerful weapons, and engage in epic battles while leveling up and forming alliances. Despite some bugs and grinding, Defiance delivers a unique and often humorous, action-packed experience.

"Riders of Icarus" is a free-to-play MMORPG that allows players to capture and train mounts for combat and exploration in a vast fantasy world. The game features both PvE and PvP modes, with a heavy emphasis on aerial combat and epic boss battles. Players can choose from various classes, each with unique abilities and playstyles, as they uncover the mysteries of the world of Icarus.

EverQuest II is a free-to-play MMORPG with deep gameplay and a thriving community, now spanning 18 years and 19 expansions. Featuring 125 levels, countless quests, diverse environments, and extensive character development options, it offers a rich fantasy world to explore with support for various play styles including solo, group, raid, and PVP. Enjoy an independently leveled tradeskill system, robust housing, and a myriad of creatures to battle.

Trove is a fantasy massively multiplayer online game that offers both single-player and multi-player experiences, including co-op and PvP modes. Explore open worlds filled with player-created realms and dungeons, while mastering the abilities of various cubular classes, such as knights, gunslingers, and ice sages. The game also features a battle royale mode called Bomber Royale, where up to 20 players compete to be the last one standing.