Dark Master vs Sandbox
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Dark Master
Control clusters of dark matter and hydrogen to grow them in a cosmic soup, while avoiding other particles. Learn about the universe through short outreach texts between games. Can you become the Dark Master?
- Control dark matter and hydrogen clusters
- Grow particles in a cosmic soup
- Avoid nasty particles
- Learn about the universe
- Cosmology-themed gameplay
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Dark Master has been designed by nerdy professional cosmologists seeking for a way to chill out between their simulations of the universe. Trying to beat them at their own game is great fun! Master gravity by controlling clusters of dark matter and hydrogen. Try to let them grow in the cosmic soup, while avoiding other nasty particles. Short outreach texts displayed between the games and in the info section will get you thrilled about the mysteries of the universe. Can you become the Dark Master?
Sandbox
Explore the cosmos from its inception, simulating the creation and expansion of the universe. Craft celestial bodies, nurture life, and uncover the secrets of quantum physics in this engaging simulation and tycoon game.
- Craft your own universe
- Build and expand with idle gameplay
- Nurture life and civilization
- Educational adventure in astronomy
- Sandbox space exploration
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Begin your cosmic journey in Universe Architect, a blend of simulation and tycoon games, where you explore space from the very beginning – the Planck Era, right after the Big Bang. Similar to the sandbox exploration found in My Little Universe, here you’ll discover elements, unveil isotopes, and even trigger star explosions to expand your universe, shaping it as you wish. In Universe Architect, you play as Mr. Strange, a unique quark with unprecedented powers. Venture through the mysteries of space, tackling humanity's biggest questions: What came before the Big Bang? How is the universe expanding? Could you reveal the secrets of quantum gravity? Guided by these timeless questions, explore the tiniest scales of the cosmos, down to the Planck length, discovering particles like bosons, tachyons, neutrinos, quarks, and photons. Key Features: - Craft Your Own Universe: Trigger cosmic reactions, create heavy metals within the intense furnaces of stars, and use these elements to unlock new crafting possibilities. Transform these resources into complex planetary structures and stellar bodies, creating a playground as vast as a galaxy. - Build and Expand with Idle Gameplay: As a space idle game, Universe Architect allows you to build structures that automatically harvest elements, process materials, and generate new stars. With proper structure management, you’ll see your universe grow and thrive, from individual particles to entire galaxies! - Nurture Life and Civilization: Explore the fascinating possibilities of evolution by developing planetary ecosystems and giving rise to intelligent life. Manage environments to encourage the growth of new cells, cultivating them until they form entire civilizations across planets. Shape the course of history, influence technology, and witness the transformation of simple organisms into advanced societies. - Educational Adventure in Astronomy and Cosmology: Universe Architect is more than a game; it’s an educational experience that immerses players in the world of astronomy and quantum physics. The gameplay introduces complex ideas like singularity, the multiverse, dark matter, and quantum fluctuations, with concepts made accessible through interactive storytelling and challenges. - Feel Like a Star Maker in a Sandbox Universe: Similar to Stellarium, Universe Architect is a sandbox simulation where players can explore the wonders of space. Lay the groundwork for stars, planets, and even galaxies, crafting an intricate network of celestial bodies. The freedom to experiment and create makes this sandbox experience truly cosmic. Whether you're crafting galaxies, building planets, or guiding civilizations, Universe Architect offers the ultimate simulation experience for fans of space, astronomy, and tycoon games. Expand your universe, delve into the mysteries of the cosmos, and see if you have what it takes to become the ultimate architect of space. Your involvement in the game and the expansion of the planetary systems can lead to the birth of life. Nourish the new cells and cultivate their environment to eventually create a vast civilization. Can you do it? Educational Integration: Beyond being a captivating adventure, Universe Architect serves as an educational tool that helps players understand the complexities of cosmology, physics, and philosophy in an immersive and engaging way. The game introduces concepts such as singularity, the multiverse, dark matter, and quantum fluctuations through interactive storytelling and gameplay, making these advanced topics more accessible and memorable. In this space idle game, players will have the ability to create life on planets and guide its development, nurturing it as it evolves into powerful and advanced civilizations. Shape the course of history, influence the rise of technology, and watch as your creations grow from simple organisms into thriving, intelligent societies across the galaxy.
Screenshots
Verdict
Dark Master and Sandbox both sit at 3.7 stars, but that hides the real split: 75% of Sandbox's written reviews are positive against 0% of Dark Master's. Dark Master's advantage is in-app purchases (none vs 22) and ads (none vs shown). On price, rating, ratings volume and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Sandbox sells 22 one-off in-app purchases. Dark Master asks for nothing beyond the download.
Sandbox holds the better App Store score, 3.8 against 3.7. Both are backed by a comparable volume of ratings — 3 and 6 respectively. Written reviews point the same way: 0% of Dark Master's written reviews are positive against 75% of Sandbox's.
| Parameter | Dark Master | Sandbox |
|---|---|---|
| Price | Free | Free |
| Rating | 3.7 (3 ratings) | 3.8 (6 ratings) — better |
| Positive reviews | 0.0% of reviews | 75.0% of reviews — better |
| Number of ratings | 3 | 6 — better |
| Update frequency | — | Every 4 days |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 13.0 |
| Further details — not scored | ||
| Size | 180 MB | 284 MB |
| Age rating | 4+ | 4+ |
| Developer | RWTH Aachen University | Cezary Tomczak |
Customer experience
Dark Master
Sandbox
In-app purchases
Dark Master
No in-app purchases
Sandbox
- Hydrogen Small Pack$0.99
- Helium Small Pack$0.99
- Electron Small Pack$0.99
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- Skipits Pack Small$1.99
- Star Core Pack Small$1.99
- Tachyon Pack Small$1.99
- Hydrogen Medium Pack$2.99
- Electron Medium Pack$2.99
- Helium Medium Pack$3.99
- Skipits Pack Medium$4.99
- Hydrogen Large Pack$4.99
- Electron Large Pack$4.99
- Tachyon Pack Medium$4.99
- Level Pass$7.99
- Helium Large Pack$7.99
- Tachyon Bundle Small$8.99
- Tachyon Pack Large$9.99
- Tachyon Bundle Small Extra$9.99
- Tachyon Bundle Medium$18.99
- Tachyon Bundle Medium Extra$19.99
- Tachyon Bundle Large Extra$46.99
- Tachyon Bundle Large Extra$49.99








