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Watch trailer on Steam ↗STE : Save The Earth
KZ42 · Published by KZ42
Mixed — 44% positive (25 reviews) · 112 achievements
Last updated 27 Sept 2026
An alien invasion has come! As the supreme general of the armed forces of the earth, your mission will be to gather an army and put an end to the threat. Make your way through one of the most complex clicker games out there and crown yourself as The Supreme Defender!
£2.09
Lowest price we've ever recorded
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£2.09
Price history
3 Sept 2026Lowest: £2.09 · Highest: £2.098 Oct 2026
Adventure, Indie, Simulation, Strategy, Casual · 2018 · More under £5 games
Lead humanity to victory as The Supreme General in STE : Save The Earth. Navigate through intricate levels, gathering resources and assembling an army to thwart the alien threat in a blend of adventure and strategy.
About this game
An alien invasion has decided that its next objective is planet earth! As the supreme general of the armed forces of the earth, your mission will be to gather an army and put an end to the alien threat. Make your way through one of the most complex and long clicker games on the market and crown yourself as the supreme defender of our planet!
Although the game is complete in its current state, you can expect some improvements in the form of bug fixes or changes to balance the gaming experience.
Features
- A huge list of upgrades, that will unfold as you play.
- The alien invaders will change it's appeareance in an attempt to adapt to your growing firepower.
- About 100 achievements to unlock.
- Complex and rewarding prestige system.
- Evolving aliens and troops.
- A lot of strategies and builds at your disposal to improve your score.
- Lovely pixel art style.
- Offline mode
- And a lot more!
Upcoming
Although the game is complete in its current state, you can expect some improvements in the form of bug fixes or changes to balance the gaming experience.
System Requirements
Will my PC run this? →Minimum
Minimum:
- OS *: Windows Vista
- Processor: 2 GHz dual core
- Memory: 1024 MB RAM
- Graphics: Hardware-accelerated OpenGL or OpenGL ES
- Network: Broadband Internet connection
- Storage: 52 MB available space
- Additional Notes: Minimum resolution of 940x600
Recommended
Recommended:
- OS *: Windows 7+
- Processor: 2 GHz dual core
- Memory: 2 GB RAM
- Graphics: Hardware-accelerated OpenGL or OpenGL ES
- Network: Broadband Internet connection
- Storage: 52 MB available space
- Additional Notes: Minimum resolution of 940x600
Supported Languages
English
Latest news
Patch NotesOfficial
Patch v1.6
Hey! It's been a while but I've been finally able to fix a couple of issues that the game had. - "Lieutenant General" achievement have been fixed. You should be able to get it now. - The value of global troops will not go back to 0 after reset (prestige). - Weird number showing up when the supply box is on 0 have been fixed. - Autokill now start after 45 seconds idle instead of 1 minute. - New: We have added a new button that will let you get the next supply box on demand. This costs 20 RP. Only one box can be active at a time. Grabbing a new box will get rid of the previous active bonus if there was one.Read full article on Community Announcements (zakosgames)AnnouncementsOfficial
STE: Save the Earth v1.5
Hey everyone! We have been working on "Missions", a new system to help with progress. The missions are located in your "Rank" section. When you have a mission to start the game will warn you that you have a mission ready so you don't miss it. So to put it short: - Missions implemented. You can find the mission on the Rank section. We hope you like it. Thanks for playing! - KZ42Read full article on Community Announcements (KaW)AnnouncementsOfficial
STE: Save the Earth v1.4
Hey everyone! We have update to v1.4. This update we added something that have been long requested, auto alien kill on idle mode. Now when you enter on idle mode, the game will start targeting aliens and killing them every second. Let us know if it helps with the more grindy parts of the game. Thanks for playing! - KZ42Read full article on Community Announcements (KaW)AnnouncementsOfficial
STE: Save the Earth v1.3.6
Hey! New update where we have fixed a couple of thing and added some new animations for the portal aliens. The changes are: - New animations for all the portal aliens. - Portal aliens now give combo - Supply box not starting at the research time fixed. - Some researches not saving fixed. Thanks fo playing! - KZ42Read full article on Community Announcements (KaW)AnnouncementsOfficial
STE: Save the Earth v1.3.5
Hey everyone, We are happy to announce that this patch will change the save in the cloud so it will no longer be bound to your machine. Beware after saving on v1.3.5 that you open the game always with a client v1.3.5 (or later) or you might lose your saved data. Here are all the changes: - New save no longer bound to the computer. - The expertise idle bonus now have a visual representation when is active. - Now Aliens and Carriers rewarded resources are affected by the Rank Booster. - Filcher showing sometimes behind the new panel fixed. Thanks for playing! - KZ42Read full article on Community Announcements (KaW)
