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Impossible Creatures Steam Edition official game artwork

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Impossible Creatures Steam Edition Wiki

Impossible Creatures is a 3D RTS game that pits the player against an evil villain. Using Earth’s most formidable animals as building blocks, the player must create an army of genetically-altered mutant monster

Steam ↗Windows
GameWiki EditorialReviewed 5 guide topics

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About Impossible Creatures Steam Edition

Impossible Creatures Steam Edition is a 3‑D real‑time strategy set in a stylized 1930s world. Players fuse more than 50 real‑world animals into mutant units, forming armies whose variety is limited only by imagination. The game offers a single‑player campaign across 14 islands and a multiplayer mode for up to six opponents.

The Steam Edition adds modern compatibility, Steam Cloud support, friend invites, and a built‑in level editor. A C++ Mod SDK and bundled patches enable community‑created content and online play without additional configuration.

01 / THE GUIDE

Creature Combination System

The game provides over 50 animal models that can be merged to produce mutant creatures. Each hybrid inherits traits from its component animals, creating a distinct tactical option for the player.

Because animals can be combined in many different pairings, the number of possible units is vast. This breadth encourages experimentation and yields many different army configurations across both campaign and multiplayer matches.

  • Experiment with contrasting animal traits to discover unexpected strengths.
  • Keep a short note of successful combos for quick reuse.

02 / THE GUIDE

Single‑Player Campaign

The campaign consists of 15 missions spread over 14 distinct islands, each featuring its own flora and fauna. Players command dozens of creatures and henchmen while confronting an evil villain.

Missions occur in fully 3‑D dynamic worlds, allowing exploration of varied terrain while managing base building and unit production. Armies refined here can later be transferred to multiplayer matches.

  • Master a few creature types before expanding your roster.
  • Use island terrain features to gain tactical advantages.
Impossible Creatures Steam Edition official gameplay screenshot
Publisher-provided gameplay image · Relic Entertainment, THQ Nordic

03 / THE GUIDE

Multiplayer Battles

Up to six players can wage real‑time war, each constructing armies offline before storing them for online matches. This streamlines base‑building, letting players focus on combat tactics during live play.

NAT traversal and Steam friend invites provide a smooth online experience, and units created in the single‑player campaign may be transferred to multiplayer for strategy testing.

  • Save a balanced mix of offensive and defensive creatures for varied opponent tactics.
  • Coordinate with friends via Steam invites to practice coordinated assaults.

04 / THE GUIDE

Level Editor and Mod SDK

The Steam Edition includes a mission editor and a Mod SDK written in C++. Players can design custom maps, scenarios, and creature combinations, extending gameplay beyond the built‑in content.

All patches are bundled with the remastered edition, keeping the game up to date for created content. Community‑shared creations are accessible through Steam Workshop.

  • Start with the provided templates to learn editor basics quickly.
  • Test custom maps in single‑player before sharing them online.

05 / THE GUIDE

Steam Integration Features

Steam Cloud support is included, allowing the game to store data on Steam’s servers. Family Sharing lets multiple accounts launch the game from a single purchase.

Friend invites are built into the Steam overlay, simplifying the creation of multiplayer lobbies. These features work alongside the level editor and Mod SDK.

  • Check Cloud sync is enabled in Steam settings to ensure data is stored online.
  • Use the overlay to invite friends directly from the game.

WATCH THE GAME

Impossible Creatures Steam Edition videos

Official trailers & gameplay

INSIDE THE WORLD

Screenshots & game images

5 official screenshots

IN THIS WIKI

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COMMUNITY

Player discussion

    QUICK ANSWERS

    Impossible Creatures Steam Edition FAQ

    Can I create my own creatures using the Mod SDK?

    Yes, the Mod SDK (C++) lets players design custom animal combinations and integrate them into the game.

    How many players can join a multiplayer match?

    The multiplayer mode supports up to six players fighting in real time.

    Does the game support Steam Cloud for saved data?

    Steam Cloud support is listed as a feature, indicating the game can store data on Steam’s cloud service.

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    SOURCES & CREDITS

    Official resources and further reading

    Original editorial guidance. Game imagery and trailers are provided by the publisher through Steam. Media and reference links checked 2026-10-24. Game versions, supported platforms, and balance can change; consult the linked release notes for current details.