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Sanctum 2 official game artwork

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Sanctum 2 Wiki

Sanctum 2 is the sequel to the world’s first Tower Defense/FPS hybrid game. Pick from four unique character classes and embark on a mission to protect the oxygen-producing Cores from hordes of deadly aliens who

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About Sanctum 2

Sanctum 2 expands the original Tower‑Defense/FPS hybrid with a rebuilt engine and community‑driven design. Players choose from four distinct character classes, customize load‑outs of towers, weapons and perks, and defend oxygen‑producing Cores against alien swarms. The game blends a building phase—where mazes and defenses are placed—with a first‑person shooting phase where the player directly engages enemies. A single‑player campaign and up‑to‑four‑player online co‑op let you explore the planet LOEK III and uncover its story through an in‑game visual novel.

01 / THE GUIDE

Four Playable Character Classes

Sanctum 2 offers four unique classes, each providing its own strengths, weaknesses and weapon options. Selecting a class determines the baseline abilities you bring to both building and shooting phases.

The classes are designed to complement different playstyles, allowing players to focus on tower placement, aggressive shooting, or a balanced approach.

  • Try a class that matches your preferred balance of building and shooting for smoother early missions.
  • Switch classes between co‑op sessions to cover a broader range of tactical needs.

02 / THE GUIDE

Tower‑Defense Building Phase

Before each wave, you enter a building phase where you design mazes and place towers and walls to protect the Cores. The layout directly influences how effectively enemies are slowed or destroyed.

Complex mazes and powerful towers are key to stopping the alien hordes before they reach the Cores.

  • Create winding paths to maximize tower exposure to enemies.
  • Combine different tower types to cover multiple enemy weaknesses.
Sanctum 2 official gameplay screenshot
Publisher-provided gameplay image · Coffee Stain Studios

03 / THE GUIDE

First‑Person Shooter Phase

After building, the wave begins and you switch to first‑person shooter mode, directly firing at the advancing aliens. This phase lets you supplement tower fire with personal damage.

Your chosen weapons and perks affect how efficiently you can thin enemy numbers during this action‑heavy segment.

  • Prioritize weapons with high damage‑per‑second to clear large groups quickly.
  • Use movement to stay behind cover while towers handle the bulk of damage.

04 / THE GUIDE

Vast Customization System

Players can outfit characters with a wide range of weapons, towers, perks and Feats of Strength, tailoring the experience to personal difficulty preferences.

Customization choices affect both the building and shooting phases, influencing overall strategy.

  • Experiment with different perk combinations to discover synergistic effects.
  • Add Feats of Strength for a tougher challenge if you seek higher scores.

05 / THE GUIDE

4‑Player Online Co‑op

Sanctum 2 supports up to four players in online co‑op, letting friends tackle the campaign together. Each player can select a class and load‑out, contributing to both building and shooting duties.

Co‑op play does not alter the storyline but allows shared discovery of LOEK III’s secrets.

  • Coordinate class selections to cover all tactical roles.
  • Communicate tower placement plans before each wave for smoother execution.

WATCH THE GAME

Sanctum 2 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

    Sanctum 2 FAQ

    What platforms can I play Sanctum 2 on?

    Sanctum 2 is available for Windows, macOS and Linux, supporting both keyboard‑mouse and full controller inputs.

    Is there a single‑player mode?

    Yes, the game includes a single‑player campaign where you progress through missions alone.

    Do achievements and leaderboards exist?

    The title features Steam Achievements, Leaderboards, Cloud saves and Trading Cards.

    More Sanctum 2 guides

    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 2026-10-22. Game versions, supported platforms, and balance can change; consult the linked release notes for current details.