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Sanctum

Sanctum

You think Tower Defense games are all about building? You thought wrong. Sanctum is not your average Tower Defense title. When the havoc starts, you get to join the fray! As one of the world’s first First Person Shooter - Tower Defense games, Sanctum has taken the best of both worlds to deliver an e

Released Apr 15, 2011 Developer Coffee Stain Studios Publisher Coffee Stain Publishing Platforms Windows · Mac Tower DefenseFPSStrategyCo-opAction
View on Steam ↗ $9.99 (US · as of 2026-10-22)

What players say

Steam review score and the most-helpful voices, which may include critical ones. Score via Steam as of 2026-10-22 · quoted reviews as of 2026-10-15.

89.2%positive3,365 reviews
Recommended · 258 found this helpful

“Personal rating: 8/10 DLC: Worth it. New, more challenging maps. A nice addition to a short core game. What is Sanctum? Sanctum is a completely different take on the "Tower Defense" genre, it mixes up First Person Shooter elements in it and it does it well. About the gameplay:…”

— a player, Steam review · 85 hrs played
Recommended · 105 found this helpful

“Defence grid set to: EXTERMINATION mode. (Disclaimer: my total Steam gametime DOES NOT represent my actual game time.) Sanctum is a 2011 sci-fi tower defence/first person shooter hybrid developed by Coffee Stain Studios, and runs on Unreal Engine 3. The game takes place on a…”

— a player, Steam review · 6 hrs played
Recommended · 81 found this helpful

“Honestly one of the best tower defense games I've ever played. Being forced to pick a limited set of towers and weapons to use for each level adds a nice extra level of challenge in both solo and co-op play as knowing which towers to bring into play, when to bring them out and…”

— a player, Steam review · 5 hrs played
Read more reviews ↗

Player activity

Monthly average concurrent players. Live data self-collected from the Steam API · history through 2026-06 via SteamCharts.

4,467all-time peak
0 250 500 2013 2015 2017 2019 2021 2023 2025 No data collected for this period 423 avg · Oct 2012

Achievement stats

Global completion rates across all Steam players — a data view of how far people actually get. Source: Steam official stats · as of 2026-10-22.

100achievements
2.5%median completion
1.1%rarest: Like a Hawk
45.9% of players 42.8% of players 35.0% of players 32.1% of players 29.3% of players 22.4% of players 22.1% of players 20.9% of players 20.0% of players 18.9% of players 18.2% of players 18.1% of players 16.7% of players 14.8% of players 14.4% of players 13.3% of players 12.7% of players 12.6% of players 11.8% of players 10.1% of players 9.9% of players 8.7% of players 8.6% of players 8.2% of players 7.2% of players 7.0% of players 7.0% of players 6.6% of players 5.5% of players 5.1% of players 4.6% of players 4.5% of players 4.4% of players 4.1% of players 4.1% of players 3.9% of players 3.8% of players 3.8% of players 3.7% of players 3.6% of players 3.5% of players 3.4% of players 3.1% of players 3.1% of players 3.1% of players 3.1% of players 3.0% of players 2.9% of players 2.9% of players 2.8% of players 2.5% of players 2.5% of players 2.4% of players 2.4% of players 2.3% of players 2.2% of players 2.1% of players 2.1% of players 2.0% of players 2.0% of players 45.9% 0% most earned rarest
Almost everyone has
45.9%It's Cool, I've got this — Survive a wave without spending any Resources in previous Build Phase.
42.8%Bombing Raid — Hit an enemy with 5 different Mortars.
35.0%599 US Dollars — Fully upgrade three towers.
Rarest badges of honor
1.1%Like a Hawk — Survive all the waves on Whirlpool on Insane difficulty.
1.2%Strawberry Fields Forever — This is a secret achievement, can you unlock it?
1.2% Confusion-Immune — Survive all the waves on Invasion on Insane difficulty.

Price tracking

US-region pricing (USD), sampled twice daily by our own tracker since 2026-07-11. Steam prices vary by region — always confirm your local price on Steam.

$9.99current · sampled 2026-10-22 11:56 UTC
$1.99lowest since tracking began2026-07-13
US9.99 USD
EU9.99 EUR
UK8.49 GBP
Australia15.25 AUD
Canada13.99 CAD
Japan1,390 JPY
Brazil37.19 BRL
China42.00 CNY

Regional prices at last sample, in local currency — Steam sets each region's price independently.

China≈$6.3 Brazil Japan Canada US Australia EU UK≈$11

Cheapest → most expensive, converted to USD at ECB reference rates (2026-10-22). Relative comparison only.

$0 $10 $20 07-11 07-30 08-19 09-09 09-30 10-22

Latest official news

Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.

Oct 30, 2017
Deep Rock Galactic - Open Alpha Weekend

https://i.imgur.com/OVRP1Lc.jpg Hey Guardians, would you like to try Deep Rock Galactic? We are running an Open Alpha Weekend to stress-test and get feedback from aspiring miners! Check out the traile

Oct 30, 2017
Deep Rock Galactic - Open Alpha Weekend

https://i.imgur.com/OVRP1Lc.jpg Hey Guardians, would you like to try Deep Rock Galactic? We are running an Open Alpha Weekend to stress-test and get feedback from aspiring miners! Check out the traile

Dec 20, 2013
Holiday Sale has begun! ( As if you didn't already notice! )

Merry Xmas & a Happy New Year to everyone! The Holiday sales has begun and all of our products are currently at great discounts. If you didn't try out our other games yet, it's a good time to do so..

Dec 20, 2013
Holiday Sale has begun! ( As if you didn't already notice! )

Merry Xmas & a Happy New Year to everyone! The Holiday sales has begun and all of our products are currently at great discounts. If you didn't try out our other games yet, it's a good time to do so..

Games like Sanctum

From our knowledge graph — ranked by shared traits, not a black box. Each card says why it's here.

Sanctum 2 Sanctum 2 89.9% · 7,958 reviews shares Tower Defense, Online Co Op, Futuristic, Great Soundtrack Call of Duty®: Black Ops II Call of Duty®: Black Ops II 91.5% · 7,025 reviews shares Online Co Op, Futuristic, Tactical, Great Soundtrack PAYDAY™ The Heist PAYDAY™ The Heist 92.9% · 15,740 reviews shares Online Co Op, Tactical, Great Soundtrack, FPS Natural Selection 2 Natural Selection 2 85.1% · 8,675 reviews shares Online Co Op, Futuristic, Tactical, FPS STAR WARS™ Republic Commando™ STAR WARS™ Republic Commando™ 95.7% · 11,401 reviews shares Futuristic, Tactical, Great Soundtrack, FPS SCP: Secret Laboratory SCP: Secret Laboratory 92.2% · 90,643 reviews shares Online Co Op, FPS, Co Op, Difficult Serious Sam II Serious Sam II 87.7% · 4,066 reviews shares Online Co Op, Great Soundtrack, FPS, Co Op Polarity Polarity 74.3% · 2,210 reviews shares Great Soundtrack, FPS, Co Op, Difficult

Screenshots

Official Steam store screenshots — click any shot to enlarge.

Facts & details

From the Steam store record, snapshot 2026-05-12.

GenresAction, Casual, Indie, Strategy
Player tagsTower Defense · FPS · Strategy · Co-op · Action · Indie · Sci-fi · Multiplayer · First-Person · Online Co-Op · Shooter · Female Protagonist (SteamSpy community voting)
FeaturesSingle-player · Multi-player · Co-op · Cross-Platform Multiplayer · Steam Achievements · Partial Controller Support · Steam Cloud · Steam Leaderboards
LanguagesEnglish, Danish, French, German, Spanish - Spain, Swedish, Japanese, Polish, Dutch, Italian, Russian, Turkish
Achievements100
Official sitehttp://www.sanctumgame.com
Minimum system requirements (PC)

Minimum: OS *: Windows XP (SP3) Processor: 1.6 GHz Dual Core Processor Memory: 2 GB RAM Hard Disk Space: 2 GB Free Space Video Card: Shader Model 3, 256 MB VRAM DirectX®: 9.0c Sound: DirectX 9.0c compatible, 16-bit