Verified patch notes, affected platforms and developer-listed issues.

ARK: Survival Ascended
Astraeos Mega Update is now live!
Feb 25, 2026 · Steam update tracked by Buffs & Bugs
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Official note“<!DOCTYPE html> Steam :: ARK: Survival Ascended :: Astraeos Mega Update is now live!”
Official note“" ); }; Sign in Store Home Discovery Queue Wishlist Points Shop News Charts Community Home Discussions Workshop Market Broadcasts About Support Change language Get the Steam Mobile App View desktop website © Valve…”
Quick take
Explore the vast new desert landmass of Pyranthos, shaped by myth, ruin, and survival. Far from an empty wasteland, Pyranthos is a hostile, ancient region where shifting sands give way to forgotten structures, buried pathways, and environments designed to test preparation as much as curiosity. This is a place built for exploration, but it doesn’t reward carelessness.
- Developed in Partnership with Nitrado, this update pushes Astraeos forward with new challenges across the map. Powerful creatures roam both the surface and the depths below, ancient forces stir in long-abandoned arenas, previously unexplored artifact caves beckon the curious, and new boss encounters await those ready to face them.
- New gigantic desert landmass: Pyranthos, vast and unforgiving, built to challenge every step forward.
- Five new Artifact Caves that will challenge your survival skills.
What officially changed
Explore the vast new desert landmass of Pyranthos, shaped by myth, ruin, and survival. Far from an empty wasteland, Pyranthos is a hostile, ancient region where shifting sands give way to forgotten structures, buried pathways, and environments designed to test preparation as much as curiosity. This is a place built for exploration, but it doesn’t reward carelessness.
Developed in Partnership with Nitrado, this update pushes Astraeos forward with new challenges across the map. Powerful creatures roam both the surface and the depths below, ancient forces stir in long-abandoned arenas, previously unexplored artifact caves beckon the curious, and new boss encounters await those ready to face them.
New gigantic desert landmass: Pyranthos, vast and unforgiving, built to challenge every step forward.
Five new Artifact Caves that will challenge your survival skills.
The Minotaur Labyrinth Cave, a twisting descent into confusion and dread, traps the unprepared.
The Rhyniognatha Drone Nest Cave, a pulsing hive of wings and terrifying buzzing.
A new weather system plus a complete lighting overhaul, reshapes the world’s mood minute by minute, from blinding glare to eerie twilight, making familiar places feel freshly beautiful... or dangerous.
Old creatures are making their debut on Astraeos with this update: Phoenix, Armadoggo, Oasisaur, Desmodus, Megaraptor and Rockdrakes!
The dunes of Pyranthos are not getting any friendlier. Alongside the Deathworms you already know to fear, a new threat now prowls the sands: the Scorpion King and Queen. Massive and bloodthirsty, it is absolutely not something you want to stumble into unprepared.
New Skeleton enemies, rattling remnants of battles long forgotten, stalk the sands with relentless hunger. These undead foes protect their lost world with the might of their ancient gods.
The minotaur Minotarchos awaits new challengers, and while it doesn’t rely on flashy gimmicks, its strength is worthy of its myth. Those who bring it down will be greatly rewarded and one step closer to defeating the legendary Hydra.
Buried in the ruins of Pyranthos, Hydraskos the Unbroken awaits. Defeating all five hungry heads will demand teamwork, timing, and a whole lot of firepower. Cut the heads from the body and the fight shifts, but only if your team stays in sync.
And last but not least, the Manticore has flown from Scorched Earth and made its new nest in Astraeos' boss arena.
Meet the Grand Tortugar, a mobile stronghold built for endurance. Beneath its massive armored shell lies something more than protection. Open its carapace and it becomes a living command post, allowing multiple riders to shelter within while defending from behind natural plating. Close it, and the Tortugar transforms into a near-impenetrable bastion with your crew breathing freely inside.
It moves with steady purpose across both land and seabed, capable of walking the ocean floor and harvesting valuable resources. And when the waters crackle with danger, the Tortugar remains… shockingly unimpressed.
Whether you’re exploring the scorching sands of Pyranthos or staging an amphibious assault, the Tortugar is ready to carry your crew and hold the line.
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Added to Astraeos
New gigantic desert landmass: Pyranthos
New Bossfight: Manticore
New Bossfight: Hydraskos the Unbroken
New Creature: Grand Tortugar
New Miniboss: Minotarchos
New Weather System + complete Lighting overhaul
Added Phoenix
Added Oasisaur
Added Armadoggo
Added Desmodus
Added Megaraptor
Added Rock Drakes
Added Scorpion King & Queen
Added Astral & Scorpion King/Queen
Added Deathworm
Added New Skeleton Enemies
Added 5 New Artifact Caves
Added Rhyniognatha Drone Nest Cave
Added Ossidon & Megaraptor Saddles to miniboss lootpool
Changes
Switched ocean spawns to custom ocean dinospawn entries: DinoSpawnEntries_Ocean_Generic_Ast
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