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Permafrost

Permafrost is in Steam Early Access as of October 9, 2026, with solo play and online co-op for up to four players. The developers have stated the build will be treated as unfinished for at least 12 months while biomes, quests, NPCs, and equipment are added.

Synthesized from 6 Yomimono stories · updated Oct 15

Permafrost launched in Steam Early Access on October 9, 2026, from developer SpaceRocket Games and publisher Toplitz Productions. The game is set on a frozen Earth after the moon shattered, and it supports solo play and online co-op for up to four players. A rescued dog scouts, warns of danger, and carries luggage. The Early Access build arrives with its main features already in place, and the developers have stated a window of at least 12 months before the game is treated as finished, with a roadmap covering biomes, quests, NPCs, and equipment.

The run-up to launch followed a staged rollout. A playtest ran from October 2 at 21:00 JST to October 6 at 21:00 JST, with each session lasting one hour from launch and an initial small wave before more players were let in. Coverage of the playtest described online co-op for up to three friends, while the early access announcement and launch trailer both put the number at four players. The playtest story and the launch stories disagree on this point: the final release supports up to four.

Marketing centered on survival mechanics rather than combat or story. The launch trailer showed exploration of snow-covered cities, trading with NPCs, and base building with companions; players control Luke, an engineer skilled at rebuilding, and must maintain body temperature, gather resources, and repair abandoned shelters. The game includes battles against dangerous wild animals and hostile survivors, and it has no constant gunfights or fantasy elements. A separate story trailer introduced the world setting, and Japanese language support is included.

Before gamescom 2026, the team released a new key visual and reverted to the original after community feedback, in three days. A wishlist campaign tied the launch discount to wishlist counts, confirming 15% off at over 450,000 wishlists and a maximum of 30% at 1 million.

Key facts

Early Access launch date
October 9, 2026 ↗
Developer
SpaceRocket Games ↗
Publisher
Toplitz Productions ↗
Co-op
Solo and online co-op for up to four players ↗
Unfinished window
At least 12 months before the game is treated as finished ↗
Playtest dates
October 2 at 21:00 JST to October 6 at 21:00 JST; each session lasts one hour from launch ↗
Protagonist
Luke, an engineer skilled at rebuilding ↗
Platforms
PC via Steam, Epic Games Store, and GOG.com ↗
Launch discount
15% off confirmed at over 450,000 wishlists; maximum 30% at 1 million ↗

Timeline

Synthesized by Yomimono from the cited Yomimono stories below, each itself sourced, then editorially reviewed. Every fact links the story it came from.

Facts

Release
game · 2026-10-09 · 2026-09-02
Release
game · 2026-10-09 · PC early access · 2026-10-05
Release
game · 2026-10-05 · global · 2026-10-05
Release
game · 2026-10-09 · global · 2026-10-05
Release
game · October 9, 2026 · PC · 2026-08-09
Announced
roadmap for biomes, quests, NPCs and equipment · 2026-10-09
Announced
stated window of at least 12 months before the game is treated as finished · 2026-10-09
Announced
playtest from October 2 at 21:00 JST to October 6 at 21:00 JST ahead of an October 9 early access launch on Steam · 2026-10-05
Announced
Four-player co-op · 2026-10-05
Noted
Japanese language support is included. · 2026-10-05
Noted
supports solo play and online co-op for up to four players · 2026-09-02
Noted
has dogs as named partners · 2026-09-02
Noted
Japanese localization is planned · 2026-09-02
Noted
reverted key visual after community pushback · 2026-09-02
Noted
co-op open-world survival game · 2026-08-09
Noted
currently over 450,000, confirming 15% off · 2026-08-09
Noted
maximum 30% discount at 1 million wishlists · 2026-08-09

Structured graph also available as JSON at /public/entities/permafrost. CC BY 4.0.

All coverage

Oct 9

Permafrost Enters Steam Early Access With Co-Op And A Dog

Toplitz Productions and SpaceRocket Games have launched the survival sandbox game Permafrost in Steam Early Access on October 9, 2026. Set in an ice world after the moon shattered, it drops constant gunfire and fantasy elements for survival built on silence and scarcity. Solo and online co-op for up to four players are supported. A rescued dog scouts, warns of danger, and carries luggage.

Oct 5

Permafrost Sets Playtest For October 2 Ahead Of Early Access

SpaceRocket Games and Toplitz Productions will run a playtest for the open-world survival game Permafrost from October 2 at 21:00 JST to October 6 at 21:00 JST, ahead of an October 9 early access launch on Steam. Each session lasts one hour from launch, and the first wave will be small before more players are let in. The game supports solo play and online co-op for up to three friends.

Oct 5

Permafrost Sets October 9 PC Early Access With Four-Player Co-Op

Permafrost, an open-world survival game from developer SpaceRocket Games and publisher Toplitz Productions, is planned for PC early access on October 9, 2026, across Steam, Epic Games Store, and GOG.com. The game is set on a frozen Earth after the moon's collapse. It supports solo play and online co-op for up to four players, includes Japanese, and gives players a dog companion that warns of enemies and carries items.

Oct 5

Permafrost Launch Trailer Shows Ice-Locked World Ahead Of October 9 Early Access

Toplitz Productions released the early access launch trailer for Permafrost on October 5, 2026. The survival sandbox game is developed by SpaceRocket Games for PC via Steam, Epic Games Store, and GOG.com, and it enters early access on October 9, 2026. Up to four players cooperate in an open world where the entire Earth has frozen over after the moon's collapse. Players control Luke, an engineer skilled at rebuilding, and must maintain body temperature in extreme cold, gather resources, and repair abandoned shelters. The game also includes battles against dangerous wild animals and hostile survivors. There are no constant gunfights or fantasy elements. The trailer shows exploration of snow-covered cities, trading with NPCs, and base building with companions. A separate story trailer introducing the world setting was also released. Japanese language support is included.

Sep 2

Permafrost Reverts Key Visual After Community Pushback

Permafrost, a survival action game from SpaceRocket Games and Toplitz Productions, launches its Early Access version on October 9. Players take on Luke, surviving a frozen world after the moon's collapse by managing body temperature, gathering resources, building bases, and fighting wild animals and other survivors. It supports solo play and online co-op for up to four players, with dogs as named partners. Before gamescom 2026, the team released a new key visual, but community feedback pushed them to revert to the original style in three days. Japanese localization is planned.

Aug 9

Permafrost Wishlist Campaign Locks 15% Launch Discount, Up to 30%

SpaceRocket Games announced a wishlist campaign for Permafrost, a co-op open-world survival game. The launch discount on Steam rises with wishlist counts, currently over 450,000, confirming 15% off. Further goals lead to a maximum 30% discount at 1 million. Early access begins October 9, 2026, on PC.