Core Keeper, Pugstorm’s mining sandbox adventure, is free to play on Steam through October 12, 2026. The Steam listing consulted on October 9 showed access ending at 10 a.m. Steam’s displayed local time; it also showed a separate purchase discount through October 22. Because store times and prices can vary by region and change, check the live listing before making plans.
When does the free-play period end?
Steam’s Core Keeper listing, accessed October 9, 2026, displayed the free-play period ending October 12 at 10 a.m. in Steam’s displayed local time. GamingBible reported an end time of 6 p.m. BST that day. Treat the store’s live display as the best guide for your account and region.
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The listing also showed the game at $11.99, reduced from $19.99, with the offer ending October 22, 2026. Those were the displayed prices and dates when the listing was checked; pricing and availability may differ by region or change.
What kind of game is Core Keeper?
Steam describes Core Keeper as a mining sandbox adventure set in an underground world. Its central activities include gathering resources, crafting equipment, building a base, exploring caverns, and fighting enemies. The listing also highlights gardening, fishing, cooking, caring for animals, developing skills, and taking on Titans across biomes including the Clay Caves, Shimmering Frontier, Sunken Sea, and Desert of Beginnings.
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GamingBible framed the game as having a “Valheim”-style gameplay loop with the aesthetic appeal of “Stardew Valley.” That is an editorial comparison, not a claim that the games share the same design. The practical question is whether you want exploration and survival alongside farming and other quieter activities.
Can you play alone or with friends?
Steam lists solo play and online co-op for two to eight players, with drop-in/drop-out support. That gives players the choice between tackling the caverns alone and sharing exploration, building, and combat with a group.
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Should you try it or buy it?
The free-play period is a straightforward way to see whether the mix of exploration, combat, crafting, and cozy activities suits you. If you want to keep playing after the event, the listing showed a discounted purchase offer through October 22. Steam also displayed an Explorer’s Edition bundle with the game, soundtrack, and Explorer’s Guide.
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Steam Cloud is listed as supported. GamingBible reported that save data would be retained after the free-play weekend, but that specific continuity claim was not confirmed by the Steam listing consulted; check the current store terms if preserving progress is important to your decision.
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What do Steam players think?
When the Steam listing was accessed on October 9, 2026, it showed 94% positive from 23,746 English-language reviews overall, and 93% positive from 534 recent reviews. These are Steam’s live platform review figures, not independent study results, and both review totals and percentages can change.
Quick Recap
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- Adventure solo or with friends in co-op multiplayer.
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