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Planets Under Attack

Planets Under Attack

Play as humans or robots in a brand new sci-fi strategy adventure! Travel into the far reaches of space, through cleverly designed star constellations and variable game modes, conquering enemy planets using 15 combinable technologies.

Released Sep 27, 2012 Developer Targem Games Publisher Topware Interactive Platforms Windows · Mac StrategyIndieSpaceMultiplayerSci-fi
View on Steam ↗ $2.39 (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.

72.2%positive1,119 reviews
Recommended · 0 found this helpful

“clicking fast is part of the strategy. apm matters.‍”

— a player, Steam review · 5 hrs played
Recommended · 0 found this helpful

“an interesting strategy for a couple of evenings with friends”

— a player, Steam review · 4 hrs played
Not recommended · 1 found this helpful

“Very frustrating, AI cheats and there is no room for error. Boring game.”

— a player, Steam review · 2 hrs played
Read more reviews ↗

Player activity

Monthly average concurrent players. Live count fetched 2026-07-23 23:43 UTC · history via SteamCharts.

0playing at last check
124-hour peak
8,186all-time peak
0 250 500 2013 2015 2017 2019 2021 2023 201 avg · Jan 2018

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.

21achievements
6.8%median completion
6.5%rarest: Team Player
11.2% of players 9.1% of players 8.8% of players 8.2% of players 7.7% of players 7.5% of players 7.2% of players 7.2% of players 6.9% of players 6.8% of players 6.8% of players 6.8% of players 6.7% of players 6.7% of players 6.7% of players 6.6% of players 6.6% of players 6.6% of players 6.5% of players 6.5% of players 6.5% of players 11.2% 0% most earned rarest
Almost everyone has
11.2%Don't panic! — Successfully defend a planet with just a few citizens on it (except for offline multiplayer).
9.1%Thorough — Earn all stars in a single mission in the Humanity Inc.campaign.
8.8%Private — Get 5 stars in the Humanity Inc.campaign.
Rarest badges of honor
6.5%Team Player — Win an online team multiplayer match.
6.5%Seriously?! — Destroy one million enemy population. Yes, 1 000 000.
6.5%Intergalactic — Complete 30 online multiplayer matches.

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.

$2.39−80% right nowcurrent · sampled 2026-07-26 08:39 UTC
$11.99base price
$2.39lowest since tracking began2026-07-25
US2.39 USD−80%
EU2.35 EUR−80%
UK1.99 GBP−80%
Australia3.55 AUD−80%
Canada3.09 CAD−80%
Japan280 JPY−80%
Brazil7.69 BRL−80%
China9.60 CNY−80%

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

China≈$1.4 Brazil Japan Canada US Australia UK EU≈$2.7

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.

Nov 28, 2017
Trading Cards Released

8 Trading Card Types 4 Profile Backgrounds 6 Emoticons and 5 Badge Levels available Drop Rate 10 Minutes

Nov 28, 2017
Trading Cards Released

8 Trading Card Types 4 Profile Backgrounds 6 Emoticons and 5 Badge Levels available Drop Rate 10 Minutes

Games like Planets Under Attack

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

Nexus - The Jupiter Incident Nexus - The Jupiter Incident 86.5% · 667 reviews shares RTS, Space, Sci Fi, Multiplayer AI War: Fleet Command AI War: Fleet Command 84.4% · 1,225 reviews shares RTS, Space, Sci Fi, Multiplayer Gratuitous Space Battles Gratuitous Space Battles 70.4% · 750 reviews shares RTS, Space, Sci Fi, Multiplayer DG2: Defense Grid 2 DG2: Defense Grid 2 86.5% · 2,225 reviews shares RTS, Space, Sci Fi, Multiplayer Planetary Annihilation: TITANS Planetary Annihilation: TITANS 85.5% · 9,580 reviews shares RTS, Space, Sci Fi, Multiplayer ENDLESS™ Space 2 ENDLESS™ Space 2 81.9% · 12,476 reviews shares RTS, Space, Sci Fi, Multiplayer Istrolid Istrolid 87.1% · 1,969 reviews shares RTS, Space, Sci Fi, Multiplayer Natural Selection 2 Natural Selection 2 85.1% · 8,675 reviews shares RTS, Space, Sci Fi, Multiplayer

Screenshots

Official Steam store screenshots — click any shot to enlarge.

Facts & details

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

GenresIndie, Strategy
Player tagsStrategy · Indie · Space · Multiplayer · Sci-fi · RTS · Singleplayer (SteamSpy community voting)
FeaturesSingle-player · Multi-player · PvP · Online PvP · Cross-Platform Multiplayer · Steam Achievements · Full controller support · Steam Trading Cards
LanguagesEnglish * , German * , French, Italian, Spanish - Spain, Russian, Polish, Czech *
ControllerFull support
Achievements21
Estimated owners500,000 – 1,000,000 (SteamSpy)
Official sitehttp://www.planetsunderattack.com
Minimum system requirements (PC)

Minimum: OS *: Windows XP SP2 / Vista / 7 / 8 / 10 / 11 Processor: 1.5 GHz Single Core CPU Memory: 512 MB RAM Graphics: Graphics card with Shader 3.0 support and 128 MB RAM DirectX®: 9.0c Hard Drive: 300 MB HD space