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Prime World: Defenders

Prime World: Defenders

Fight off hordes of monstrous mutants created from a strange cataclysmic event in the new tower defense game, Prime World: Defenders. Join a group of exile treasure hunters who have ventured into the capital of an ancient empire, vast with mystery and danger.

Released Jun 5, 2013 Developer Nival Platforms Windows · Mac Tower DefenseStrategyIndieCard GameSingleplayer
View on Steam ↗ $9.99 (US · as of 2026-07-26)

What players say

Steam review score and the most-helpful voices, which may include critical ones. Data as of 2026-05-20.

75.5%positive1,042 reviews
Recommended · 99 found this helpful

“Metascore 58?! Are you kidding me? I just don't get it. My only complaint with this game is that it's too grindy at certain points, and with not so many maps it can make the experience somewhat repetitive. Aside from that, the upgradeable trading cards meets tower defense idea…”

— a player, Steam review · 76 hrs played
Recommended · 60 found this helpful

“I am slightly conflicted in recommending this. On one hand, purely from a "tower defense" perspective, the gameplay is pretty solid. Everything works as it should and it is well-designed (nice interface, towers all serve specific purposes, enemy health, waves and routes are…”

— a player, Steam review · 71 hrs played
Not recommended · 129 found this helpful

“This game is a testament to what can be both good, and unbelievably bad in gaming. I -LOVE- tower defense games, to the point of friends making fun of me for playing anything in the genre now matter how bad it looks. I picked this one up on a whim and right off the bat I could…”

— a player, Steam review · 6 hrs played
Read more reviews ↗

Player activity

Monthly average concurrent players. Live count fetched 2026-07-23 23:45 UTC · history via SteamCharts.

3playing at last check
924-hour peak
808all-time peak
0 250 500 2014 2016 2018 2020 2022 2024 2026 254 avg · May 2013

Achievement stats

Global completion rates across all Steam players — a data view of how far people actually get. Source: Steam official stats · as of 2026-07-25.

134achievements
11.9%median completion
1.0%rarest: Master of Primezone IV
51.8% of players 49.3% of players 44.8% of players 41.7% of players 40.1% of players 38.3% of players 37.8% of players 36.4% of players 35.9% of players 34.4% of players 33.4% of players 32.2% of players 31.0% of players 30.4% of players 30.0% of players 27.3% of players 26.4% of players 25.9% of players 25.5% of players 24.2% of players 23.8% of players 23.6% of players 23.2% of players 21.8% of players 21.3% of players 20.3% of players 18.2% of players 17.6% of players 16.7% of players 15.8% of players 15.3% of players 14.7% of players 14.6% of players 13.7% of players 11.0% of players 10.3% of players 10.1% of players 8.7% of players 7.5% of players 7.1% of players 6.8% of players 6.4% of players 6.1% of players 5.9% of players 5.6% of players 5.4% of players 5.2% of players 5.0% of players 4.9% of players 4.8% of players 4.8% of players 4.5% of players 4.3% of players 4.3% of players 4.1% of players 4.0% of players 3.8% of players 3.2% of players 2.9% of players 2.7% of players 51.8% 0% most earned rarest
Almost everyone has
51.8%Blitzkrieg I — Summon Next Wave 5 times.
49.6%Exterminator I — Kill 500 monsters.
49.3%Provocation (Level 2) — Summon Next Wave 3 times in a battle.
Rarest badges of honor
1.0%Master of Primezone IV — Win 500 games.
1.4%Defender IV — Build 10000 towers.
1.8%On the Verge (Level 17) — Complete this level with 1 life.

Price tracking

US-region pricing (USD), sampled twice daily by our own tracker since 2026-07-25. Steam prices vary by region — always confirm your local price on Steam.

$9.99current · sampled 2026-07-26 08:39 UTC
$9.99lowest since tracking began2026-07-25
US9.99 USD
UK6.99 GBP
Australia14.50 AUD
Canada10.99 CAD
Japan980 JPY
Brazil16.99 BRL
China36.00 CNY

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

Brazil≈$3.3 China Japan Canada UK US Australia≈$10

Cheapest → most expensive, converted to USD at ECB reference rates (2026-07-24). Relative comparison only.

Latest official news

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

May 30, 2016
Untitled
May 30, 2016
Defenders 2 available on iOS and Android!

http://cdn.akamai.steamstatic.com/steamcommunity/public/images/clans/4596949/fec3cc207eda59f16cc44ed123b114db5ed78544.jpg Nival officially announces that long awaited sequel of Prime World: Defenders

May 30, 2016
Defenders 2 available on iOS and Android!

http://cdn.akamai.steamstatic.com/steamcommunity/public/images/clans/4596949/fec3cc207eda59f16cc44ed123b114db5ed78544.jpg Nival officially announces that long awaited sequel of Prime World: Defenders

Feb 14, 2014
Prime World: Defenders 1.2 is here!

Hey, folks! The 1.2 patch is now live on Prime World: Defenders. Here are the patch notes: • Achievements are now displayed correctly in Steam statistics. • Heroic mode achievements are now available.

Feb 14, 2014
Prime World: Defenders 1.2 is here!

Hey, folks! The 1.2 patch is now live on Prime World: Defenders. Here are the patch notes: • Achievements are now displayed correctly in Steam statistics. • Heroic mode achievements are now available.

Games like Prime World: Defenders

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

Plants vs. Zombies GOTY Edition Plants vs. Zombies GOTY Edition 98.2% · 45,975 reviews shares Classic, Tower Defense, Tactical, Great Soundtrack Orcs Must Die! 2 Orcs Must Die! 2 91.7% · 9,496 reviews shares Tower Defense, Great Soundtrack, Comedy, Female Protagonist Kingdom Rush - Tower Defense Kingdom Rush - Tower Defense 95.8% · 5,700 reviews shares Tower Defense, Tactical, Comedy, Funny The Legend of Heroes: Trails in the Sky The Legend of Heroes: Trails in the Sky 94.0% · 7,383 reviews shares Tactical RPG, Classic, Tactical, Great Soundtrack UNDEFEATED UNDEFEATED 88.3% · 4,198 reviews shares Great Soundtrack, Female Protagonist, Funny, RPG Rock 'N' Roll Defense Rock 'N' Roll Defense 83.0% · 1,113 reviews shares Classic, Tower Defense, Tactical, Great Soundtrack Sanctum Sanctum 90.1% · 2,215 reviews shares Tower Defense, Tactical, Great Soundtrack, Survival Orcs Must Die! Orcs Must Die! 96.0% · 4,481 reviews shares Tower Defense, Great Soundtrack, Comedy, Funny

Screenshots

Official Steam store screenshots — click any shot to enlarge.

Facts & details

From the Steam store record, snapshot 2026-05-20.

GenresCasual, Indie, RPG, Strategy
Player tagsTower Defense · Strategy · Indie · Card Game · Singleplayer · Casual · Fantasy · RPG · Tactical · Great Soundtrack · Adventure · Survival (SteamSpy community voting)
FeaturesSingle-player · Steam Achievements · Steam Trading Cards · Stats · Family Sharing
LanguagesEnglish * , Russian * , French * , German * *
Achievements134
Estimated owners200,000 – 500,000 (SteamSpy)
Official sitehttp://playdefenders.com
Minimum system requirements (PC)

Minimum: OS *: Windows XP SP2 Processor: 2.4 GHz double core Memory: 2 GB RAM Graphics: GeForce 9500 GT or equal DirectX®: 9.0 Hard Drive: 1500 MB HD space Additional: Please note that Unity engine might be detected as virus on some Windows 7 64 bit systems with antivirus software