One topic, all the evidence. We combine overlapping reports and keep their limits visible.
Release & purchase
◆ Manufacturer
The first paid expansion
Announced at The Big Break on September 29. Core Values requires Satisfactory and is developed by Coffee Stain Studios, published by Coffee Stain Publishing.
Event page. The listed GMT time conflicts with 19:00 CEST; the latter equals 17:00 UTC.
Published: Sep 29, 2026 · Checked: Sep 30, 2026
Release & purchase
◆ Manufacturer◇ Third-party sourceStill open
No release date. No confirmed year.
The store has no date. Inven reports the team ruling out 2026, while leaving 2027 uncertain. Community claims of a 2027 release are not a confirmed schedule.
Interview with Gunst, Meesters, Edwards and Burke. English dated Sep 29, Korean original Sep 30; both read. AI-assisted English translation reviewed by the publisher. One interview, not independent confirmations.
Mixed thread: Jason’s developer reply confirms the Q&A plan. The 2027 claim comes from a community comment.
Published: Sep 29, 2026 · Checked: Sep 30, 2026
Release & purchase
◆ ManufacturerStill open
Wishlist now. Price still open.
Steam lists the DLC for wishlisting; an Epic link is official. No price, bundle or preorder terms have been announced. Console store links are promised, without launch timing.
The setting is the crust of MASSAGE 2(A-B)b. Interviews describe a large cave system with new biomes and limited daylight. Ceilings and tighter spaces introduce building constraints.
Interview with Gunst, Meesters, Edwards and Burke. English dated Sep 29, Korean original Sep 30; both read. AI-assisted English translation reviewed by the publisher. One interview, not independent confirmations.
Reports entry requirements and quotes continued base-game support from a press release. The complete release was not separately retrieved.
Published: Sep 29, 2026 · Checked: Sep 30, 2026
The underground
◆ Manufacturer◇ Third-party sourceStill open
Connected economies. Unknown entrances.
Resource exchange and travel between the surface and underground are described. Map size, entrances, loading transitions and handcrafted versus procedural terrain remain unspecified. Free digging and terraforming are not confirmed.
Interview with Gunst, Meesters, Edwards and Burke. English dated Sep 29, Korean original Sep 30; both read. AI-assisted English translation reviewed by the publisher. One interview, not independent confirmations.
New resources, buildings, equipment and recipes are planned for an underground factory network. Names, quantities, rates, footprints and alternate recipes have not been published.
Interview with Gunst, Meesters, Edwards and Burke. English dated Sep 29, Korean original Sep 30; both read. AI-assisted English translation reviewed by the publisher. One interview, not independent confirmations.
Interview with Gunst, Meesters, Edwards and Burke. English dated Sep 29, Korean original Sep 30; both read. AI-assisted English translation reviewed by the publisher. One interview, not independent confirmations.
Play Experience attributes additional logistics systems to Burke and Gunst; belts would remain in the game. The original interview was not located. Specific transport tools are unconfirmed.
Search-index summary of the logistics claim; not independent confirmation.
Published: Sep 29, 2026 · Checked: Sep 30, 2026
Factories & logistics
◇ Third-party sourceDeveloper interview
Heavy industry, a rougher aesthetic
Interviews describe heavy rock processing. Secondary reporting mentions large grinding gears and hammers. These are design descriptions, not named or fully revealed machines.
Interview with Gunst, Meesters, Edwards and Burke. English dated Sep 29, Korean original Sep 30; both read. AI-assisted English translation reviewed by the publisher. One interview, not independent confirmations.
Secondary logistics report. The underlying interview is not linked and was not located.
Published: Sep 30, 2026 · Checked: Sep 30, 2026
Progress & story
◇ Third-party sourceDeveloper interview
Your entry point: Tier 3
Reporting places access at Tier 3 of HUB research, after the Space Elevator. Inven describes an in-game prompt and recipes connected to surface resources. You should not need to finish the main story first.
Interview with Gunst, Meesters, Edwards and Burke. English dated Sep 29, Korean original Sep 30; both read. AI-assisted English translation reviewed by the publisher. One interview, not independent confirmations.
The team describes entry from existing saves. New resources and buildings limit veteran advantages. This is not a guarantee for mods, clipped underground factories or save-format compatibility.
Interview with Gunst, Meesters, Edwards and Burke. English dated Sep 29, Korean original Sep 30; both read. AI-assisted English translation reviewed by the publisher. One interview, not independent confirmations.
Interview with Gunst, Meesters, Edwards and Burke. English dated Sep 29, Korean original Sep 30; both read. AI-assisted English translation reviewed by the publisher. One interview, not independent confirmations.
Interview with Gunst, Meesters, Edwards and Burke. English dated Sep 29, Korean original Sep 30; both read. AI-assisted English translation reviewed by the publisher. One interview, not independent confirmations.
Inven describes a friendly feline with an elongated body and petting interaction. An official name, taming, following and inventory mechanics have not been disclosed.
Interview with Gunst, Meesters, Edwards and Burke. English dated Sep 29, Korean original Sep 30; both read. AI-assisted English translation reviewed by the publisher. One interview, not independent confirmations.
New flora and fauna are officially announced. Inven also reports dangerous hostile creatures. Species, drops, combat equipment and accessibility options remain open.
Interview with Gunst, Meesters, Edwards and Burke. English dated Sep 29, Korean original Sep 30; both read. AI-assisted English translation reviewed by the publisher. One interview, not independent confirmations.
The team discusses underground lighting, level streaming, a planned Unreal Engine 5.6 move and GPU instancing. No performance targets or migration date are confirmed.
Interview with Gunst, Meesters, Edwards and Burke. English dated Sep 29, Korean original Sep 30; both read. AI-assisted English translation reviewed by the publisher. One interview, not independent confirmations.
Steam lists single-player, online co-op, cross-platform multiplayer, Cloud and partial controller support. Who needs to own the DLC in a group, dedicated-server rules and console launch parity are unconfirmed.
The developer’s post is official. Community questions below it are not announcements.
Published: Sep 29, 2026 · Checked: Sep 30, 2026
Technology & co-op
◆ ManufacturerStill open
Treat the PC requirements as provisional
Listed minimum: Windows 10, i5-3570, GTX 1650/1050 Ti or RX 470/570. Recommended: Windows 11, Ryzen 5 5600X/i5-12400, RTX 2070/RX 5700. Storage: 20 GB, scope unclear. Web and API RAM fields conflict (8/16 GB versus a missing minimum and 16 MB); final requirements need clarification.
Steam lists English, French, Italian, German, Spanish (Spain), Japanese, Korean, Polish, Brazilian Portuguese, Russian, Simplified and Traditional Chinese, and Ukrainian. Full audio is marked for English only.
PCGamesN quotes a press release promising regular base-game improvements on all platforms while the DLC is developed. No specific next-update feature list is established here.
Mixed thread: Jason’s developer reply confirms the Q&A plan. The 2027 claim comes from a community comment.
Published: Sep 29, 2026 · Checked: Sep 30, 2026
What comes next
◆ Manufacturer◇ Third-party source
More answers are on the way
On September 29, CoffeeStain-Jason announced a detail video within one to two weeks and collected questions. Roughly October 6–13 follows from that window, not a fixed appointment.
Official September News read via API. The October 13 date belongs to the board game campaign.
Published: Sep 22, 2026 · Checked: Sep 30, 2026
22 topics
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How we keep this transparent
Every topic has a publication date, a review date and linked evidence. Unanswered questions stay unanswered. We correct the page when stronger evidence appears.
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