Mortal Shell II
- Developer
- Cold Symmetry
- Publisher
- Playstack
- Released
- Aug 20, 2026
- Steam reviews
- 79% of players recommend it, from 21,600 reviews — Steam calls that “Mostly Positive”
- Tags
- ActionRPG
On Linux, Steam Deck and Steam Machine
This game runs great under Proton after tweaks, per ProtonDB reports (47 reports). Valve rates it Playable on Steam Deck.
Valve rates it Playable on Steam Machine. Valve marks it SteamOS Compatible.
Proton tier: ProtonDB · Deck rating: Valve · Steam Machine, Steam Frame and SteamOS ratings: Valve · Compare 2,053 games · Every game Valve rated for Steam Machine
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About this game
The developer's description, from the game's Steam store page.
Mortal Shell II is a standalone sequel to Mortal Shell that significantly expands on the original with unrestricted, adrenaline-charged combat, extensive weapon upgrades, and free exploration.
The forgotten Shells of eight lost warriors are scattered throughout Mortal Shell II’s ravaged world. Seek and possess these Shells, unleash their innate abilities, and discover the story of each by unravelling their secrets.
Mortal Shell II offers a clean, agile and grounded combat system, with options to think strategically about upgrading melee and ranged weapons.
Unrestricted by stamina, players exploit multiple tactics to shatter enemy posture and strike critically.
Mortal Shell II’s open world is compact, tightly interconnected and immersive. It is designed with respect for the player's time.
Those who wander from the golden path can discover new Shells, weaponry, upgrades, curiosities and more.
System requirements
As Steam lists them.
Windows
Minimum
- OS
- Windows 10 / 11
- Processor
- Intel Core i7-10700K @ 3.8 GHz or better or AMD Ryzen 5 3600 @ 3.6 GHz or better
- Graphics
- NVIDIA GeForce RTX 2060 SUPER 8 GB or AMD Radeon RX 6600 8 GB
- Additional Notes
- SSD required
Downloadable content
Steam lists 1 item of downloadable content for this game.
News
What Mortal Shell II's studio and the outlets Valve syndicates on Steam have said recently.
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