Game detail

Core Keeper

Core Keeper
GreatLast verified 2026-05-22

A mining sandbox with 1-8 player online co-op, shared progression, and low setup pain.

At a glance

The practical answer for a group deciding whether this is worth a download night.

Verification status
published
Confidence
high
Storefront count
2
Hosting summary
Host-owned save

Group fit summary

For Friday Night 5: this section keeps the answer short before you dig into the details.

Works for 5: Native. Setup difficulty: 0/5. Progression risk: Low.
Multiplayer notes
Steam page states 1-8 player online co-op. This is the clean native 5+ example.
Hosting notes
Player-hosted or dedicated-server play. Good for groups that can accept host-owned progression.
Progression notes
Shared-world progression keeps side play from damaging the main run.

Multiplayer support

5+ support
Native
Main mode support
yes
Native online max
8
Config online max
Unknown
Modded online max
Unknown
Drop-in / drop-out
yes
Cross-store play
unknown

Hosting / access model

Hosting summary
Host-owned save
Host-owned save
Yes
Dedicated server optional
Yes
Dedicated server required
No
Save shareable
Yes
Port forwarding likely
No

Drop-in / drop-out

Players can join and leave without the page pretending the game is more fragile than it is.

Progression / fairness

Persistence model
Shared world
Absent-player risk
Low
Side play safe
yes
Progression notes
Shared-world progression keeps side play from damaging the main run.

Mod or config support

No player-count mod is seeded for this game.

Storefronts

Evidence links

Unknowns

Do not treat the unknown fields on this page as confirmed. Unknown stays unknown until admin review adds evidence, confidence, and a last-checked date.
Support model

5+ support and setup

This is the fastest way to understand whether the game needs config, mods, or extra moderation before your group can play.
Works for 5Native
Native max8
Config maxUnknown
Modded maxUnknown
Setup difficulty0/5
Verification statuspublished
Group action

Save it to a shortlist

Use the group shortlist to save this game, vote, and mark its status. Search results stay browseable without forcing a login.
Store vs verified

Why the page separates them

Storefront data says what the store claims. The internal review layer is what the app trusts when deciding whether the game works for a 5-8 player group.