# Hydrothermal > Space colony city builder with alien defense and resource management. (iPhone/iPad app by Nuclear Nova Software.) - Source: https://appshunter.io/ios/app/hydrothermal/id402599781 (this page in markdown: same URL + `.md`) - Developer: [Nuclear Nova Software](https://appshunter.io/developer/289559290) - Category: Games, Entertainment, Simulation - Price: $2.99 - Rating: 1.00/5 from 2 App Store ratings · 6 written reviews indexed - Age rating: 4+ - Requires: iOS 18.0 · 9 MB - Languages: American English - Released: 2010-11-23 - Data updated: 2026-08-25 - Monetization: paid - User reviews in markdown: https://appshunter.io/ios/app/hydrothermal/id402599781/reviews.md ## What is Hydrothermal? Hydrothermal is a city building game where you create a space colony and ward off alien invaders. Control every aspect of your colony's layout, including zoning, building placement, and terrain features, all with the ability to conquer more land for expansion. Adjust the city details by balancing the budget, passing/repealing laws, and allocating extra resources into six areas using the balance of powers screen. Don't forget to build and manage an army though, aliens attack from time to time! Hydrothermal's addicting gameplay and a classic 2D with over 50 unique buildings, Hydrothermal will keep you entertained for countless hours. Make sure to check out Nuclear Nova's golf game simulator, GL Golf and GL Golf Lite. GL Golf is a 3D golfing game for the casual gamer. With a realistic physics system and great simple graphics, you and up to four players can golf twenty+ unique courses for countless hours. Also make sure to check out Nuclear Nova's new golf game, Rocket Golf and Rocket Golf Lite. Rocket Golf gives golfing a new twist with its 2D gameplay and clean 3D graphics. Challenge yourself to 36 unique holes over two courses. Rocket Golf provides accurate game physics while maintaining an arcade feel. ## Key features - City layout control - Resource management - Law and budget balancing - Army building - Alien defense - 50+ unique buildings ## Recent user reviews (6 of 6) All indexed reviews: https://appshunter.io/ios/app/hydrothermal/id402599781/reviews.md ### 1/5 — WORTHLESS *2015-06-25* Don't bother purchasing this game, after a few minutes of playing it kicks you off and tells you to purchase it even though you already have waste of money this app should be removed and purchases refunded...... ### 4/5 — Good *2013-03-07* This is a great game, but there is a bug that makes the game crash when you tap the balance of power icon ### 5/5 — Needs update of some kind *2012-10-15* It cuts me off and asks me to buy the full game but this is the full game i payed 299 ### 1/5 — Uhh... *2011-06-11* This game totally stinks. The app will start, stay up for about 15 seconds but there are no options. Then the app shuts off. Don't Buy It. Just get the lite version. ### 5/5 — Sim City. *2011-02-16* A ### 1/5 — Won't open even after reboot. Wow *2010-11-23* Boo ## Frequently asked questions about Hydrothermal ### What kind of gameplay does Hydrothermal offer? Hydrothermal is a city-building game with elements of strategy and defense. Players manage colony layout, resources, laws, and build an army to fend off alien invaders. ### How many buildings are available in Hydrothermal? Hydrothermal features over 50 unique buildings that players can construct and manage within their space colony. ### Does Hydrothermal have multiplayer? The provided description does not mention multiplayer functionality for Hydrothermal. It appears to be a single-player experience. ### Is Hydrothermal available offline? The description does not specify if Hydrothermal supports offline play. Typically, city-building and strategy games of this nature can be played offline. ### What is the age rating for Hydrothermal? Hydrothermal has an age rating of 4+, making it suitable for a wide range of players. ### When was Hydrothermal last updated? Hydrothermal was last updated on December 4, 2024, indicating ongoing support and potential improvements from the developer. ### What is the price of Hydrothermal? Hydrothermal is a paid application, priced at $2.99. ### What is the user sentiment for Hydrothermal based on ratings? Hydrothermal has a rating of 1.0 stars from 2 ratings, suggesting a very low user satisfaction based on the limited feedback available. ## Version history (last 5 releases) ### 1.23 — 2024-12-04 iOS 18 Support (Required) iPad 7th, 8th, 9th, 10th, Mini 6th, 7th, Air 4th, 5th, 6th, Pro 4th, 5th, 6th, 7th Support Removed iAd and other game advertisements Various bug fixes and improvements ### 1.22 — 2015-12-11 Native compatibility with iOS 9.0+ (iOS) Minimum iOS version 8.0+ (iOS) Support for iPad Mini 4 (iOS) ### 1.21 — 2014-11-18 iPad Air 2 and iPad Mini 3 Support Native compatibility with iOS 8, requires iOS 7+ Added pinch scroll and zoom to 3D view Added 64-bit support New Icon (Lite) Rating reminders for each version ### 1.20 — 2013-12-02 Added non-fixed width fonts Add multisampling to newer devices iPad Air/iPad Mini 2 Compatibility iOS 7 Support Project cleaned, more stable Requires iOS 6.0+ New affiliate links Fixed misspellings ### 1.19 — 2012-12-02 iPad 3/4 Retina display support Notification system for Nuclear Nova Software announcements Updated code to take advantage of iOS 6 improvements ## More apps by Nuclear Nova Software - [GL Golf](https://appshunter.io/ios/app/gl-golf/id289559287) - [GL Golf Lite](https://appshunter.io/ios/app/gl-golf-lite/id292074807) - [Escape](https://appshunter.io/ios/app/escape/id301045022) - [Escape Lite](https://appshunter.io/ios/app/escape-lite/id301045390) - [GL Golf Deluxe](https://appshunter.io/ios/app/gl-golf-deluxe/id301557622) - [Rocket Golf](https://appshunter.io/ios/app/rocket-golf/id326169617) All apps by Nuclear Nova Software: https://appshunter.io/developer/289559290 --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-25.*