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Galactic Overthrow

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Galactic Overthrow screenshot 1
Galactic Overthrow Gameplay trailerWatch trailer on Steam ↗

Galactic Overthrow

Ace High Arcade · Published by Ace High Arcade · Official site ↗

Positive — 81% positive (32 reviews) · 13 achievements

Last updated 28 Sept 2026

Build a massive galactic empire and conquer many galaxies in this incremental game of space conquest. Manage resources, expand your reach, and grow your influence with a casual spin on a 4x theme.

DJCTQ l
-30%

£2.86

£4.09

Lowest price we've ever recorded

View on Steam

Prices can lag the live Steam store — always confirm before buying.

£2.86£4.09

Price history

5 Sept 2026Lowest: £2.86 · Highest: £2.8611 Oct 2026

Indie, Simulation, Strategy, Casual · 2026 · More under £5 games

Expand your galactic empire by managing resources and growing influence in this indie simulation of space conquest. Experience the casual, incremental journey to domination with Galactic Overthrow.

About this game


Explore, develop, build and conquer your way through procedural galaxies in this real-time incremental game with a 4x theme. No managing units or fleets on a board, focus purely on managing your resources and growing your empire to overthrow the galaxy.

Discover


Incremental based core gameplay, with new features and surprises unlocked as you explore the tech tree and complete empire milestones. What will your empire's story be?

Unlimited


From the diverse array of alien factions, procedurally generated galaxies to explore, and a game that evolves as you play, the possibilities are near endless. The game's complexity increases along side your familiarity, so you'll never feel overwhelmed by the options yet the tactics and strategies you'll employ grow in depth over time.

Quick


A 4x themed snack full of conquest and expansion with relaxing and condensed session times. Configurable play options give you control over how you want to play whether you want a relaxed idle game or something with a light time pressure.

Features

  • Gameplay modes for idle fans, or those who want some additional real-time pressure
  • Play how you want, with configurable game speed and settings to suit your playstyle
  • Incremental gameplay with a 4x theme
  • Highly replayable with procedural worlds, discoverable events, unlockable factions, changing starting conditions, and more

System Requirements

Will my PC run this? →

Minimum

Minimum:
  • Requires a 64-bit processor and operating system
  • OS: Windows 10 or newer
  • Processor: 2.0 Ghz or better
  • Memory: 2 GB RAM
  • Storage: 1 GB available space

Recommended

Recommended:
  • Requires a 64-bit processor and operating system
  • Memory: 4 GB RAM

Supported Languages

English, French, German, Spanish - Spain, Japanese, Korean, Portuguese - Portugal, Russian, Simplified Chinese, Portuguese - Brazil, Italian, Polish, Turkish

Latest news

  • Patch NotesOfficial

    Quick Fix for Data Clear Option

    Quick update today to fix an issue with clearing data through the settings menu. It was possible to clear your data mid-game which would still functionally work but could result in the current game not saving to the appropriate profile slot and other strange behavior on exit. It's now been fixed to disable the game clear during active gameplay, and only available when using the clear function from the main menu path.
    Read full article on Community Announcements (acehigharcade)
  • AnnouncementsOfficial

    Galactic Overthrow 1.2

    Galactic Overthrow has now been updated to version 1.2. This update includes a few bug fixes and optimizations to the simulation, as well as laying the ground work for some future updates (more on that coming soon).New FactionA new 10th faction has been added to the game, so hop in and check it out. I wanted to get the roster filled out to the full 10 planned since the initial release, but needed some significant changes to the systems in the game to be able to support some of the things I wanted to do with new factions going forward. This update has made some of those options possible, so I've added a faction that utilizes some of those changes.Changes to SystemsThere should be no visible gameplay changes to anyone who's been playing already, and your save files should be able to seamlessly support these changes (and the additional faction unlock) with no issues.The main intent of these changes was to remove some of the development short cuts I'd made close to release and to pave the way for future changes in a much more manageable fashion. Things were a bit hectic from release, and then a small break, so I wanted to get back and get those things fixed and out of the way.Generally this means research data, and planet data are handled more efficiently and more generically when it comes to gameplay modifiers. A big area of limitation was around randomized effects, choosing between options, or being able to dynamically disable / enable certain techs and effects based on factions and game state.Bug FixesThere were quite a few minor bugs and issues that popped up over the last month as the player base has increased. Overall the game has been stable with a very limited number of crashes during this time, but some visual inconsistencies and gameplay hinderances have been improved.Fixed an issue with the goals and objectives list not updating if a menu was opened around the same time. This was a race condition that was not easy to hit, but thanks to some dedicated playtest...
    Read full article on Community Announcements (acehigharcade)
  • Patch NotesOfficial

    Quick Fixes After Seasonal Sale

    Lots of new players checked out the game over the Steam Summer Sale (thanks everyone for the support!). This is a quick update to address some of the small bugs found, and some other QoL improvements: - Fixed bug related to clearing building slots on a full board - Fixed visual inconsistency when rapidly pausing and unpausing game on a large board - Added confirmation dialog to Scorched Planet effect - Fixed potential issue with profile clear button not clearing profile data completely
    Read full article on Community Announcements (acehigharcade)
  • AnnouncementsOfficial

    Galactic Overthrow 1.1.4

    Hey everyone, Galactic Overthrow 1.1.4 is out now for the Steam Summer Sale. This patch includes a bunch of small fixes from user reports, better save file optimization and corruption prevention, better handling of simulation race conditions and...Pirate SwarmsPirates can now spawn in asteroid fields. The behavior for pirates changes based on the difficulty you select, though in general they behave like hostile planets taking over your friendly planets on a timer and spreading their influence throughout your current galaxy.In Passive Mode, pirates won't spawn at all. You can still enjoy the same more laid-back or casual experience of passive mode without too much of a change. There are some features coming soon that will add some more interaction to Passive Mode, but for now this is unchanged.In Active Mode, pirates will have a chance to spawn in explored asteroid fields, but will only spawn once per field. So once you defeat them in any specific hex they won't respawn there until you've jumped to a new galaxy.In Challenge Mode, pirates will increase in strength more rapidly and their spawn rates, to add more pressure to your military infrastructure.In Extreme Mode, pirates will spawn even more often and can respawn in asteroid fields where they've been previously defeated. This may represent a significant challenge increase in Extreme Mode, especially later in the game. Be sure to let me know how it goes!More coming soon, thanks for playing so far!
    Read full article on Community Announcements (acehigharcade)
  • Patch NotesOfficial

    New Bug Fixes

    Quick patch to address some low-frequency bugs that may affect gameplay. - Fixed: Unstable warhead can cause game board to be unresponsive if utilized in a fully conquered galaxy - Fixed: Choosing a game mode could potentially result in an undefined state, causing the game to run at a difficulty and game speed that's not expected - Fixed: UI issue with windows sometimes not hiding correctly (very rare). Thanks everyone for playing and your bug reports. Hopefully some more news soon on some upcoming changes.
    Read full article on Community Announcements (acehigharcade)

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