Project Entropy and Rise of Kingdoms are both free-to-play strategy games with alliances and in-app purchases. Which one fits depends on the setting, your PC route and what you plan to spend. This page names no winner. It puts both games through the same nine criteria, using the same kinds of pages, read on November 5 and 6, 2026. Gimaxo has not played or tested either game.

Each point below comes from the publisher’s own pages or from a store listing. “Not found” means the pages read do not say.

A battle view, shown to illustrate Project Entropy only. It does not illustrate Rise of Kingdoms.

The nine criteria

1. Publisher

• Project Entropy: FunPlus International AG (Steam and App Store).
• Rise of Kingdoms: LilithGame Co., Ltd (App Store seller).

2. Setting, as the publisher describes it

• Project Entropy: sci-fi. The official site gives the year 2099 and the planet Kepler-452B.
• Rise of Kingdoms: historical. The App Store text names “15 Unique Civilizations” and Julius Caesar against Cao Cao. The official site says “14 historical kingdoms.”

3. Combat, as described

• Project Entropy: the App Store text describes real-time multiplayer combat on the region map.
• Rise of Kingdoms: the App Store text says “Battles happen in real time on the map.”

4. Alliances and translation

• Project Entropy: the App Store lists an “Alliance Warfare System” and a real-time translation system.
• Rise of Kingdoms: the App Store lists an “Alliance System” with “live chat with built-in translation, officer roles, map indicators to coordinate strategies, and more.”

5. PC routes the publisher lists

• Project Entropy: Steam, Windows only. The official site’s page code also holds a PC button to an installer file (seen November 6, not downloaded). The Google Play page has no Windows mention.
• Rise of Kingdoms: the official site offers a Windows download and a “Mac App Store” link with the note “You must be using a Mac with an Apple M1 chip.” Google Play lists “Android, Windows” and says “Google Play Games on PC is required to install this game on Windows.” Steam store searches on November 5 and 6 did not return the game.

6. PC requirements

• Project Entropy: Steam’s minimums are in the Project Entropy PC guide.
• Rise of Kingdoms: the requirements of the official Windows download were not verified in the sources consulted. The Google Play Games on PC route lists its own minimums, which are Google’s: Windows 10 (v2004), an SSD with 10 GB free, 8 GB of RAM, 4 physical CPU cores, an Intel UHD Graphics 630 GPU or comparable, a Windows admin account and hardware virtualization turned on. Those describe Google’s player, not Rise of Kingdoms’ own client.

7. First release date shown

• Project Entropy: iOS, December 6, 2023. Steam, April 16, 2024.
• Rise of Kingdoms: iOS, September 20, 2018.

8. Purchases and store labels

• Project Entropy: Google Play shows “$0.49 - $99.99 per item.” Its content label reads “In-Game Purchases (Includes Random Items).”
• Rise of Kingdoms: Google Play shows “$0.29 - $499.99 per item,” the same random-items label and “Contains ads.”

9. Version, size and age rating

• Project Entropy: iOS 1.50.0, 2.9 GB, updated October 30, 2026. Google Play, updated October 29, 2026.
• Rise of Kingdoms: iOS 1.1.13.72, 2.3 GB, updated November 3, 2026. Google Play, updated October 22, 2026.
• Age labels depend on your region. Google Play pages requested with a country code on November 6 showed these ratings, Project Entropy first: United States (ESRB) Teen and Everyone 10+; United Kingdom and France (PEGI) 16 and 18, the second with “Simulated Gambling”; Germany (USK) 16+ and 12+. The order flips between systems, so this page draws no conclusion from it. Check the rating your own store shows.

Where the sources disagree or say nothing

• Civilizations. Rise of Kingdoms’ App Store text says 15. Its official site says 14 historical kingdoms. Gimaxo picks neither.
• Translation. Both games list a translation feature. Neither has an edge on the pages read.
• Purchases. Both carry the random-items label. No page read says what the purchases do in either game.
• Rise of Kingdoms on Windows. The official site offers a Windows download. Its requirements were not verified in the sources consulted.
• Timers. No page read covers build or upgrade timers for either game.

For Project Entropy’s platforms, account and system requirements, read the Project Entropy PC guide.

How to choose

These are questions, not a score. Count nothing.

1. Pick the setting. Sci-fi mechs and planets, or historical civilizations. The pages rank neither.
2. Pick the PC route. Compare the routes in criterion 5, and check your Windows version first.
3. Look at your own people. An alliance is central to both games. If a friend already plays one, that may decide it. That is our view, not a source’s.
4. Set a spending limit before you open either shop. Both carry the random-items label, and neither page explains the purchases.
5. Check the timers yourself. Play the early game and see whether the waiting suits you.

What this comparison does not do

• It does not test either game or rank them. There is no winner.
• It does not compare combat depth, balance, timers, community or performance. The pages read do not cover them.
• It uses publisher and store pages only. No press article, patch note or player review was read.
• Store pages change. Check the dates above before you decide.

Sources

Named here as plain text. Pages read on November 5 and 6, 2026.

• Steam, Project Entropy store page and its application data; Steam store search for “Rise of Kingdoms” (November 5 and 6)
• Project Entropy official site
• Apple App Store, Project Entropy and Rise of Kingdoms (US listings)
• Google Play, Project Entropy and Rise of Kingdoms: Lost Crusade, including the Google Play Games on PC page for Rise of Kingdoms
• Google Play Help, requirements for Google Play Games on PC
• Rise of Kingdoms official site