Released Mar 27, 2014 $14.99 Overwhelmingly Positive Counts toward your Steam games

Creeper World 3: Arc Eternal

By Knuckle Cracker

Tower Defense Strategy Indie RTS Singleplayer Sci-fiReal-Time with PauseSimulation Base BuildingLevel EditorTop-DownAddictive

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Followers —

Reviews 4,110 Overwhelmingly Positive

Players yesterday 134 at the busiest moment

Owners 200K–500K estimated

Creeper World 3: Arc Eternal is a game tagged Tower Defense, Strategy and Indie by Knuckle Cracker, released Mar 27, 2014. It has 4,110 Steam reviews (Overwhelmingly Positive). It has an estimated 200K–500K owners on Steam. The Steam games most like it include Sentinel 3: Homeworld, Defense Technica and Revenge of the Titans.

Creeper World 3 is what happens when cellular automata takes over a strategy simulation. Instead of discrete units that attack your base, a fluid-like substance spreads over the terraformable terrain. Your base, your weapons, your strategy... you must adapt them all.

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<a href="https://launchrivals.com/games/280220-creeper-world-3-arc-eternal"><img src="https://launchrivals.com/games/280220/badge.png" alt="Creeper World 3: Arc Eternal launch date" width="320" height="84"></a>

<a href="https://launchrivals.com/games/280220-creeper-world-3-arc-eternal"><img src="https://launchrivals.com/games/280220/badge.png?theme=light" alt="Creeper World 3: Arc Eternal launch date" width="320" height="84"></a>

Sentinel 3: Homeworld 98% match · Tower Defense, Strategy, Indie
Defense Technica 96% match · Tower Defense, Strategy, Indie
Revenge of the Titans 93% match · Tower Defense, Strategy, Indie
Defense Zone 2 92% match · Tower Defense, Strategy, Indie
PixelJunk™ Monsters Ultimate 91% match · Tower Defense, Strategy, Indie
CARNAGE OFFERING Tower Defense 90% match · Tower Defense, Strategy, Indie
Operation Sheep Defense 90% match · Tower Defense, Strategy, Indie
Cubemen 90% match · Tower Defense, Strategy, Indie
Unstoppable Gorg 89% match · Tower Defense, Strategy, Indie
PAGO FOREST: TOWER DEFENSE 89% match · Tower Defense, Strategy, RTS

Steam data

Everything Steam lists for Creeper World 3: Arc Eternal · record updated 1 hour ago

Steam store

Overview

App ID280220

Release dateMar 27, 2014

Last change number37432709

Last record update1 hour ago

App type: Game
Developer: Knuckle Cracker
Publisher: Knuckle Cracker
Steam profile: Counts toward game count and achievement totals · checked Nov 1, 2025
Franchise: Creeper World
Website: knucklecracker.com
Links: Discord

Language	Interface	Full audio	Subtitles
English	Yes

Windows macOS Linux

Steam Deck: Playable

Single-playerSteam AchievementsSteam CloudStatsIncludes level editorRemote Play TogetherFamily Sharing

Prices

Price · US$14.99

On sale0 of 41regions right now

Lowest seen · US$14.99Oct 24, 2026

Checked19 hours agoin 41 regions

South Korea₩KRW

Every price change is kept from Oct 24, 2026 on. Pick a region below to compare.

Patches

Build	Branch	Updated
200303	local	Oct 24, 2026
304910	version208	Oct 24, 2026
22453699	public	Mar 22, 2026
4260516	pre-patch	Mar 22, 2026
22453699	prerelease	Mar 22, 2026
943573	prenotarized	Oct 6, 2019

Packages & DLC

ID	Name	Games	Price (US)
38409	Creeper World 3: Arc Eternal	1	$14.99
1984 Bundle	Knuckle Cracker Universal Collection	6	$89.01

Depots

ID	Name	Systems	Size	Download	Manifest
228983	— shared from 228980	Windows	—	—	—
280221	—	Windows	257.9 MB	92.5 MB	378696316259944923
280222	—	Linux	294.7 MB	102.6 MB	1201032468392168546
280223	—	macOS	296.7 MB	103.1 MB	5604121395266471360

Branch	Build	Updated	Access
public	22453699	Mar 22, 2026	Open
pre-patch Before https patch	4260516	Mar 22, 2026	Open
prerelease	22453699	Mar 22, 2026	Open
prenotarized	943573	Oct 6, 2019	Open
local Local Content Server	200303	—	Open
version208	304910	—	Open

Configuration

Install foldersteamapps/common/Creeper World 3

Executable	Systems	Description
CW3.exe	Windows	Launch
CW3Launch	Linux	Launch
CW3.app	macOS	Launch

Space per player9.5 MB

Filesup to 1,000

Save locations3

Root	Path	Pattern	Systems
WinMyDocuments	CreeperWorld3	*.dat	Windows
LinuxHome	Documents/CreeperWorld3	*.dat	Linux
MacDocuments	CreeperWorld3	*.dat	MacOS

Achievements

Achievements1390 hidden

Most unlocked98.9%Arc Eternal Pioneer

Rarest0.9%Machine Lover

Arc Eternal Pioneer Enter Arc Eternal 98.9%
First Collector Built first Collector 97.6%
First Pulse Cannon Built first Pulse Cannon 97.4%
First Nullifier Built first Nullifier 96.6%
First Emitter Destroy first Emitter 96.6%
Training Wheels Completed Tempus Story Mission 94.2%
First Relay Built first Relay 93%
First Inhibitor Destroy first Inhibitor 92.3%
First Reactor Built first Reactor 88.5%
First Mortar Built first Mortar 83.8%
R.I.P Destroy a built unit on purpose 83.4%
First Sprayer Built first Sprayer 81%
First Ore Mine Built first Ore Mine 80.9%
Warp Ready Completed Starsync Story Mission 78.6%
First Beam Built first Beam 76.2%
First Terp Built first Terp 75.6%
First Siphon Built first Siphon 75.2%
First Spore Tower Destroy first Spore Tower 74.8%

All 139 achievements

First Strafer Built first Strafer 73.9%
First Bomber Built first Bomber 71.4%
Junior Officer Completed Tiplex Story Mission 65.6%
First Forge Built first Forge 62%
Mobility Award Move a Command Node 61.5%
First Sniper Built first Sniper 61.1%
First Shield Built first Shield 60.9%
First Runner Destroy first Runner 60.9%
First Runner Nest Destroy first Runner Nest 59.8%
First Guppy Built first Guppy 59.5%
Master Commander Completed Chanson Story Mission 53.8%
First Bertha Built first Bertha 53.8%
First Air Exclusion Tower Destroy first Air Exclusion Tower 53%
Runner Assassin Destroy 500 Runners in a mission 52.2%
Pulse Cannon Lover Build 50 Pulse Cannons in a mission 50.8%
MacGyver Completed Vapen Story Mission 50.2%
Peak of Good Living Completed Meso Story Mission 48.1%
Box Art Mission Master Completed Krig Story Mission 48%
Colonial Space Pioneer Enter Colonial Space 47.6%
Focused Win a mission by destroying only the inhibitor 44.7%
Hawking Achievement Fire the Singularity weapon 44.2%
Ejection Seat Command Node recalled to orbit due to damage 43.6%
Prospector Zone Pioneer Enter Prospector Zone 42.3%
Tormented Space Pioneer Enter Tormented Space 41.3%
Rain Man Rain Anti-Creeper from orbit 37%
Better Late Than Never Completed Farbor Story Mission 36.3%
Turtler Take more than 120 minutes to win a mission 36%
Relay Lover Build 100 Relays in a mission 35.2%
First Thor Built first Thor 33.7%
Dudley DoRight Choose Skars in Arca Story Mission 33.4%
Projects Pioneer Enter Projects 33.1%
DMD Pioneer Enter DMD 33.1%
Can't Touch This Complete a non-tutorial story map without creeper damaging any unit 32.4%
Alpha Sector Pioneer Enter Alpha Sector 32.4%
Strategic Reserve Store 1500 energy 32.1%
Nullifier Lover Build 20 Nullifiers in a mission 31.9%
Happily Ever Before Completed Arca Story Mission as Skars 29.5%
Mortar Lover Build 50 Mortars in a mission 26.8%
Collector Lover Build 300 Collectors in a mission 26.3%
Rainy Day Reserve Store 2500 AC 25.5%
Whoops! Build 2 Forges in a mission 25.3%
Failure Has Its Own Reward Lose Farbor Story Mission 24.8%
Many Machines on Ix Max all techs (10 on unlimited techs) 24.3%
Shield Lover Build 25 Shields in a mission 23.5%
Reactor Lover Build 200 Reactors in a mission 22.8%
Terp Lover Build 25 Terps in a mission 22.7%
Unlimited Potential Download a Colonial Space Map 22.2%
Emitter Assassin Destroy 20 Emitters in a mission 20.6%
Rotten Apple Choose Loki in Arca Story Mission 19.4%
Strafer Lover Build 50 Strafers in a mission 19.2%
Varro Hale Award Win 50 Missions 19%
Guppy Lover Build 20 Guppies in a mission 18.1%
Runner Ender Destroy 5000 Runners total 18.1%
Nip in the Bud Destroy a spore tower before it finishes building in Arc Eternal:Egos:Ruine 18%
Bertha Lover Build 25 Berthas in a mission 17.9%
Beam Lover Build 50 Beams in a mission 17.7%
The Dark Lord Completed Arca Story Mission as Loki 16.2%
Ore Mine Lover Build 15 Ore Mines in a mission 15.5%
Spore Tower Assassin Destroy 20 Spore Towers in a mission 15.2%
Thor Lover Build 5 Thors in a mission 13.6%
Bomber Lover Build 50 Bombers in a mission 12.4%
Sprayer Lover Build 50 Sprayers in a mission 12.1%
Bertha Master Build 200 Berthas total 11.6%
Sniper Lover Build 40 Snipers in a mission 11.2%
Patton Would Be Proud Completed Farbor Story Mission Early 10.9%
Upwardly Mobile Move a Command Node 10 times in a mission 10.4%
Brainiac Completed Alpha Sector:virgilw:Brain Mission 10.1%
Air Exclusion Tower Assassin Destroy 8 Air Exclusion Towers in a mission 9.9%
Aliana Abraxis Award Win 100 Missions 9.6%
Reactor Master Build 5000 Reactors total 9.1%
Runner Nest Assassin Destroy 10 Runner Nests in a mission 8.8%
Collector Master Build 10000 Collectors total 8.4%
Critic Rate a Colonial Space Map 8.3%
Nullifier Master Build 750 Nullifiers total 8.3%
Terp Master Build 500 Terps total 8.2%
Born Leader Score in the top 10 on a mission with at least 20 scores. 8.1%
Siphon Lover Build 20 Siphons in a mission 8%
Architect Finalized a Map 7.7%
Pulse Cannon Master Build 2500 Pulse Cannons total 7.2%
Relay Master Build 5000 Relays total 7.1%
MadMag's Mansion Picked up key from MadMag's room 6.8%
G-Man Released AC in Credits Mission 6.4%
Emitter Ender Destroy 1000 Emitters total 6.1%
Industrial Nightmare Get energy production up to 2000 5.9%
Beam Master Build 1000 Beams total 5.7%
Wrath of the Gods Fire more than twenty Artifacts of Odin in a mission 5.3%
Size Matters Completed Metroid in Alpha Sector:MadMag system 5.2%
Vagrant Move a Command Node 50 times in a mission 4.9%
Gunslinger Win a Prospector Zone mission with only Pulse Cannons and Nullifier weapons 4.9%
Mortar Master Build 2500 Mortars total 4.7%
Shield Master Build 400 Shields total 4.6%
Surgical Strike Completed Arca Story Mission Early 4.4%
Not gonna Vapen Complete Arc Eternal:Frykt:Vapen without activating the field beam 4.2%
Sprayer Master Build 600 Sprayers total 4.1%
Fire in the Hole Win a Prospector Zone mission with only Mortars and Nullifier weapons 4.1%
Dax Joven Award Win 250 Missions 4%
Forty-Niner Collected 100 AoO in Prospector Zone 3.9%
Air Exclusion Tower Ender Destroy 150 Air Exclusion Towers total 3.8%
Strafer Master Build 1000 Strafers total 3.7%
Spore Tower Ender Destroy 500 Spore Towers total 3.7%
Guppy Master Build 500 Guppies total 3.6%
Runner Nest Ender Destroy 200 Runner Nests total 3.5%
No Fly Complete Arc Eternal:Navox:Flick without using Bombers or Strafers 3.5%
Apexian Win Arc Eternal:Apex:Meso building no weapons other than nullifiers 3.3%
Shhhh! Find all hidden areas in the Credits Mission 3.2%
Ore Mine Master Build 1000 Ore Mines total 3%
Inhibitor Ender Destroy 100 Inhibitors total 2.7%
Bomber Master Build 750 Bombers total 2.6%
Sniper Master Build 600 Snipers total 2.6%
Self Improvement Improve score or time on an already played mission in Tormented Space 2.6%
Positronic Brain Completed Alpha Sector:virgilw:Brain Mission in under 60 seconds 2.5%
Nihilist Destroyed 20 Inhibitors in Tormented Space 2.3%
Fine Wine Completed both missions in Alpha Sector:Grauniad system 2.3%
Forge Master Build 400 Forges total 2.3%
Area Denial Complete Arc Eternal:Egos:Chanson without the destruction of a Glider or a Glider Factory 2.3%
Unlimited Possibilities Name a DMD Map 2.1%
Siphon Master Build 800 Siphons total 1.8%
Thor Master Build 100 Thors total 1.5%
Uninhibited Nihilist Destroyed 50 Inhibitors in Tormented Space 1.4%
Dr. Jones Collected 500 AoO in Prospector Zone 1.2%
Machine Lover Completed 100 DMD Missions 0.9%