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Sticky Sticky: Surplus Protocol
A multiplayer co-op horror-lite physics comedy where you play as lab-grown slime mold samples. Spread, digest, recover energy, submit results, and survive a research protocol that clearly passed approval by mistake.

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Features
Languages:
Interface Full Audio Subtitles
English ✔ ✔
Simplified Chinese ✔ ✔
Content
Includes Interactive Elements

Online interactivity

Coming Soon To Early Access

The developers of this game intend to release as a work in progress, developing with the feedback of players.

Note: Games in Early Access are not complete and may or may not change further. If you are not excited to play this game in its current state, then you should wait to see if the game progresses further in development. Learn more

What the developers have to say:

Why Early Access?

“Sticky Sticky is built around cooperative multiplayer and highly emergent gameplay. Early Access allows us to gather player feedback, improve balance, and expand the game with the community as development continues.”

Approximately how long will this game be in Early Access?

“We currently expect the game to remain in Early Access for approximately 12–18 months. The timeline may change based on development progress and community feedback.”

How is the full version planned to differ from the Early Access version?

“The full version is planned to include more experiments, environments, enemies, events, progression content, and overall polish. We also expect to continue improving multiplayer systems and game balance.”

What is the current state of the Early Access version?

“The Early Access version already contains the complete core gameplay loop, including online cooperative play, procedural runs, unlockable content, and multiple experiments and hazards. Future updates will focus on expanding content and refining the overall experience.”

Will the game be priced differently during and after Early Access?

“Yes. We expect the price to increase as new content and features are added during Early Access and at full release.”

How are you planning on involving the Community in your development process?

“We will gather feedback through Steam Discussions, Discord, playtests, and community channels. Player feedback will help shape future updates, balance changes, and new content.”
Read more
This game is not yet available on Steam

Planned Release Date: To be announced

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About This Game

About This Game

This is a co-op roguelike centered on expansion, connection, and loss of control.

In a future where humanity has vanished, artificial intelligence maintains a simulated version of human life.
You are not human, but slime-mold–derived lifeforms inhabiting abandoned toys and household objects, moving through enclosed, familiar, yet deeply unsettling indoor spaces.

Your goal is not to clear enemies, but to survive, spread, and endure within a system that is constantly breaking down—while searching for a chance to restore organic life.

Core Gameplay

■ Core Expansion System

Players plant a single shared Core and continuously inject energy to spread the network outward.
Once energy is committed, it cannot be recovered. Move too far, and expansion stops.
Every decision is irreversible.

■ Resource-as-Time Pressure

Food and resources are limited. Expansion itself consumes energy.
Delays, mistakes, or overextension will push the system toward collapse.

■ Random Builds & System Mutation

Random items allow players to alter personal abilities, Core behavior, and even the rules of expansion.
Builds are not just power increases—they rewrite how the game functions.

Co-op Experience

■ Cooperation-Driven Roguelike

All players share critical resources and expansion progress.
One player’s choice can save the team—or doom it entirely.

■ No Fixed Roles, No Solo Play

Players may explore, supply energy, scout, or perform emergency recovery,
but no role is optional, and no one can survive alone.

Atmosphere & Tone

■ Uncanny Familiarity

Clean living rooms, narrow bedrooms, AI-maintained domestic spaces—
everything appears normal, yet feels increasingly wrong.

■ Psychological Pressure Over Combat

Fear comes not from pursuit, but from system imbalance, resource depletion,
and decisions that cannot be undone.

Key Features

  • Co-op roguelike with irreversible runs

  • Unique Core / Expansion / Energy systems

  • Highly randomized items and build paths

  • Emphasis on decision pressure and teamwork over mechanical skill

  • Light psychological horror, not jump-scare focused

If you enjoy system-driven gameplay, irreversible choices, and cooperative tension,
this game offers an experience distinct from traditional action or horror titles.

Mature Content Description

The developers describe the content like this:

The game contains mild fantasy violence and psychological horror elements. There is no graphic violence, gore, sexual content, or realistic depictions of injury. Themes may include unsettling environments, abstract creatures, and moments of tension or unease.

System Requirements

Windows
macOS
    Minimum:
    • OS: Windows 10
    • Processor: Intel Core i5-4590 / AMD Ryzen 3 1200 or equivalent
    • Memory: 8 GB RAM
    • Graphics: NVIDIA GTX 970 / AMD Radeon RX 470 or equivalent
    • DirectX: Version 11
    • Network: Broadband Internet connection
    • Storage: 5 GB available space
    • Sound Card: DirectX compatible
    • Additional Notes: Online co-op requires an internet connection.
    Recommended:
    • OS: Windows 10
    • Processor: Intel Core i5-8600 / AMD Ryzen 5 2600
    • Memory: 16 GB RAM
    • Graphics: NVIDIA GTX 1060 / AMD Radeon RX 580
    • DirectX: Version 11
    • Network: Broadband Internet connection
    • Storage: 5 GB available space
    • Sound Card: DirectX compatible
    • Additional Notes: Online co-op requires an internet connection.
    Minimum:
    • OS: macOS 11 Big Sur
    • Processor: Apple M1 or Intel Core i5
    • Memory: 8 GB RAM
    • Graphics: Metal-capable GPU
    • Network: Broadband Internet connection
    • Storage: 5 GB available space
    • Additional Notes: Online co-op requires an internet connection.
    Recommended:
    • OS: macOS 11 Big Sur
    • Processor: Apple M1 or Intel Core i5
    • Memory: 8 GB RAM
    • Graphics: Metal-capable GPU
    • Network: Broadband Internet connection
    • Storage: 6 GB available space
    • Additional Notes: Online co-op requires an internet connection.
* Starting February 15, 2024, the Steam Client will no longer support 32-bit games or macOS 10.14 or lower.
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