Idle sci-fi RPG where combat actually matters. Crash-landed on an alien world, you rebuild through five skills, melee/ranged/void-magic combat, and a server-wide world boss. Progress keeps going while you're AFK. Solo, co-op, or faction raids. Free to play. No pay-to-win.
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No game lists Lost Vessel as one of its co-op favourites yet, so here are the closest matches by Steam tags instead.
Rune Legacy Idle is a multiplayer fantasy game featuring idle mechanics. Battle mythical monsters, train various skills, and team up or challenge your friends to duels. Enjoy a never ending idle RPG experience.
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Command a mining fleet that never clocks out. Train 7 skills, automate them with drones, trade on a player-driven market, and forge the legendary Vanguard hull — all server-side, so your fleet keeps working while you sleep. Log in to progress you actually earned.
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Raise your tiny puppy Hwanggu as a Warrior, Rogue, or Mage in this Korean-style idle RPG. Unlock 6 advanced classes at Lv.40, conquer 14 dungeons and the 80-floor Tower of Trials, build your farm, and team up for raids, PVP, and guild wars. Your pet illustration evolves with every gear change.
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Quinn is a chaotic 1–4 player co-op & solo game set in a high-tech AI research facility. Monitor the lab through your tablet, operate physical control panels, work together, and deal with whatever goes wrong. Quinn is always watching.
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Lead a monster-run industry ! Recruit, upgrade machines, transform ores, and unlock tech. Get rich by mastering strategy and expanding your industrial empire. Ready to conquer the market ?
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An Idle Space MMORPG where you progress at your own pace, but the universe is built together. Explore a procedural galaxy of nearly 50 million star systems alone — or join a Squadron to pool resources, raise space stations, upgrade shared buildings, and expand across the stars as one.
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Want to open a blind box? Want to DIY match equipment? Do you want to hatch phantom beast elves? Are you bored and even want to catch a big lobster? Become the Phantom Beast Knight, and you will personally compose the adventure and thrilling fantasy of the other world continent!
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A persistent idle MMORPG, with a text-based hacking theme. Enjoy the "Inaction RPG" design philosophy by crafting equpiment using ARPG influenced prefix/suffix systems, build or join player managed syndicates, trade on the marketplace, and compete in community events.
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The incremental idle MMO where your heroes keep fighting while you're gone! Spend their loot on upgrades, unlock classes from Elemental-Wizard to Cannon-Pirate, and level 20 unique skills like Farming, Sailing, and Construction!
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30 skills. Three combat styles. Clans, raids, hiscores, pets, capes. Set up your queue, close the tab, come back richer. Scapewatch is the idle MMO for people who actually like the grind.
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