Everlast: Undying Tale has launched in Early Access and is available for Linux on Steam.
The game is an MMO-style action RPG with skill-based progression and an open fantasy world that can be explored solo, with friends or on servers with up to 100 players. It costs €25.49 (20% launch discount, so €20.39).
Everlast: Undying Tale is a love letter to MMO classics in an Action RPG Package.
MMO-Lite with 100 player servers
Skill based progression
Fantasy story and quests
Hand placed open world
Shared Events
Set out into a colorful fantasy world filled with unique areas, strange characters, and dangerous creatures. Build your character by using the skills you want to improve. Fight, gather, craft, fish, explore, collect loot, and put what you learn to use as the story unfolds. Play completely solo, privately with a few friends, or join a larger public world with up to 100 other players.

Source: Steam