Store
6/24 Minor Update
Hey fellow adventurers! We've released a minor update addressing the following issues: Added a Monster Manual feature A comprehensive database of all underground creatures. Defeat a monster to unlock its entry and learn…
Steam
Return From Core
Also known as Return From Core, return from core, return-from-core
Mine, build, and explore with Monster Girl companions in this underground sandbox adventure. Uncover lost tech, automate production, and forge bonds with allies as you fight to survive and journey back to the surface.
Last update
26 Jun 2026
Players now
15
Original sources
1
Latest update
Latest updates
Update history
Browse past updates and patch notes for this game.
- September 2025
- Hey fellow adventurers! We've released a minor update addressing the following issues: Fixed an issue where the Item Selection and Field Guide screens would not unlock item slots properly in Sandbox Mode.Store
- August 2025
- Hey fellow adventurers! Greetings! We're excited to announce that version 1.0.8 is launching soon. This update brings several major optimizations and new features designed to make your underground adventures more flexib…Patch notes
- Hey fellow adventurers! We've released a minor update that improves and fixes the following issues: System Improvements: · Added custom keybinding options for "Interact 2 (C)" and "Interact 3 (V)" Bug Fixes: · Fixed an…Store
- July 2025
- Hey fellow adventurers! We've released a minor update that improves and fixes the following issues: System Improvements: Ÿ Improved drone performance and efficiency Ÿ Enhanced radial menu positioning accuracy when view…Store
- "Return from Core" Ecosystem Revealed! – Panorama View!Dear adventurers, Each level of the "Return from Core" boasts its own unique ecosystem. This time, we’ll take you on a journey through this subterranean odyssey. From the Dark Forest to the Swamp Depths, from shadowy ca…
- Hey fellow adventurers! We've released a minor update that improves and fixes the following issues: SYSTEM IMPROVEMENTS · Added view distance adjustment feature: Hold Ctrl + mouse wheel in-game, or fine-tune in the sett…Store
- Hey fellow adventurers! We've released a minor update addressing the following issues: · Fixed a rare issue where Backpack and Warehouse items could disappear unexpectedly · Fixed an issue where "Speaker" music would oc…Store
- Return from Core - Workshop Now LiveHello there, fellow adventurers! This is a straightforward guide to help you create game mods, covering - Essential tool acquisition for Mod development, modifying monster girl art assets, replacing in-game appearances,…
- Minor Update V1.0.2Hey fellow adventurers, We've released a minor update addressing the following issues: · Fixed an issue where "Underground Vines" had a chance to grow abnormally. · Fixed an issue where the "Speed Up" talent had a chanc…
- Version 1.0 Official Update Road Map!Dear Explorers, "Return From Core" Version 1.0 is now officially released! In the coming weeks, we will continue gathering player feedback and optimizing the game to deliver an even better experience. Below is our plann…
- Minor Update V1.0.1Hey fellow adventurers! We've released a minor update addressing the following issues: · Fixed an issue where outline materials were missing for some mods. · Fixed an issue where crafting Charcoal could sometimes fail.…
Gallery
In-game media
Achievements
Community progression
Top picks from 35 Steam achievements, sorted by player unlock rates.
- God of WarWon a Battle with a Monster Girl in one attempt56.9%
- Steady ProgressSuccessfully repaired the Super Drill Hub56.4%
- Pitch BlackReached Core Level 253.3%
- Pickaxe TechniqueDeflected a returning Pickaxe with your fist48.5%
- StuckReached Core Level 334.6%
- Exceptional TalentUnlocked a complete gene chain32.6%