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by Traak
Rated: All Ages
2.8 out of 5 stars  See all reviews (52 customer reviews)

Price: FREE
Sold by: Amazon Digital Services, Inc.
Available instantly

This app needs permission to access:

  • Read only access to device state
  • Open network sockets
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Latest Updates

What's new in version 0.4.7
  • Improve screen size recognition for different resolutions
  • Improved the image compression on certain images
  • Added a better stage end Image

Product Details

  • ASIN: B00ET3XZU6
  • Release Date: August 29, 2013
  • Rated: All Ages This app may include dynamic content. What's this?
  • Average Customer Review: 2.8 out of 5 stars  See all reviews (52 customer reviews)
  • Amazon Best Sellers Rank: #24,242 Free in Appstore for Android (See Top 100 Free in Appstore for Android)
  •  Would you like to give feedback on images?

Product Features

  • Casual 2D Top down puzzle game
  • Enchanting soundtrack
  • Over 50 Levels of play

Product Description

Sidereus is a Casual 2D Precision Puzzle Game.
With use of simple touch-screen controls, navigate through obstacles and pass challenges, to achieve one objective: Gathering all the energy crystals that are scattered on each level.

Let the music take you to the farthest reaches of the galaxy.

Technical Details

Size: 29.1MB
Version: 0.4.7
Developed By: Traak
Application Permissions: ( Help me understand what permissions mean )
  • Read only access to device state
  • Open network sockets
  • Access information about networks
  • PowerManager WakeLocks to keep processor from sleeping or screen from dimming
Minimum Operating System: Android 2.3.3
Approximate Download Time: Less than 4 minutes

Customer Reviews

Most Helpful Customer Reviews
27 of 30 people found the following review helpful
4.0 out of 5 stars Simple and unique puzzle game November 22, 2013
By Rocman
Verified Purchase
Developer was very responsive and clarified my concerns about the add-ons (see comment). The ads are indeed disabled, and the use of Flurry here is legit (balancing level difficulty). Great job dev!

Sidereus is a very simple game - you guide a white star on a 2D map to eliminate yellow targets that might move, disappear/reappear and/or blocked by various stationary or moving obstacles. You are given a finite number of moves on each level. Some levels have green targets which give you extra moves, essentially like extra health.

The game's graphics continues the minimalist feel with its simple yet uniquely crisp look. The music is decently soothing and can be turned off if you don't like it. There are no tutorial when you first start - but after some trial and error you'll quickly pick it up. In less than 30 minutes, I am about 70% through the game. Due to its simple nature, I don't think there will be much replay value once I finish it.

The developer included both adsense and admob (both are for displaying ads), as well as Flurry analytics add-ons. I haven't encountered any ads thus far, so perhaps those ad add-ons are inactive. The Flurry analytics is more worrisome to me, as it is used to track app usage patterns. You can opt out at, although you would have to give them your device ID in the process.

-simple yet sharp and crisp graphics
-music is soothing if a little bit repetitive (can be turned off if you don't like it)
-simple and addictive gameplay
-didn't encounter any ads

-probably not much replay value
-contains ads add-ons (looks to be inactive)
-contains Flurry analytics

Sidereus is a decently entertaining game that's definitely worth a try as the free app of the day. I probably will delete it after I finish all the levels, as I don't see myself replaying the game.
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34 of 39 people found the following review helpful
4.0 out of 5 stars Solid if simplistic puzzle/arcade style game November 22, 2013
Verified Purchase
Sidereus is a little target game where you move a piece around the screen to touch and eliminate targets. The piece moves by touching the spot on the screen you wish the piece to move to. You have a limited number of "moves" on each screen, and an increasing number of objects to clear as the game progresses.

It becomes more complicated as both stationary and moving asteroids are added to the screen. When your piece touches either type of obstacle, you lose and start that screen over. It's interesting enough but I don't think it will hold my interest for long.

I dock a star for a few reasons:
1. The game only accepts one screen orientation. It plays in landscape orientation, but doesn't flip if you turn the device over. I found that to be inconvenient as I had my device on charge and would have preferred to play with the charging cord sticking out towards the top.
2. The game doesn't seem to progress on its own. Once you are done with a sequence of screens it is up to you to know if you have completed all the levels at a particular planet and hit the "right arrow" to progress to the next planet.
3. On one planet I played, I completed the level one screens. I then chose Level Two. I was presented with the same sequence of screens that level one had provided. Now, it could be that Level Two is supposed to be the same sequence of screens at a higher difficulty (faster moving asteroids or something) but if that is the case, I didn't notice it. Level Two seemed exactly the same to me as Level One.

For a free app of the day, there is no reason not to try it. I seriously doubt I will play this game often, but your tastes of course might appreciate this game more.

The graphics are crisp and attractive, and game movements of both moving obstacles and your game piece are true and consistent.

I didn't experience any performance or operational issues with the game on a Kindle Fire HD 8.9.
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16 of 18 people found the following review helpful
3.0 out of 5 stars It's worth a go, but not a keeper. November 22, 2013
Verified Purchase
This is a pretty straight forward arcade game- It's no asteroids but it's fun all the same to gather the crystals.

The good: Good design, clear graphics, easy controls, no ads, minimal (acceptable flurry use), ability to turn the music off, game advances quickly.

The bad: No tutorial, It's a throw away game because no one would play it twice, can't change screen orientation.

The ugly: because the game contains disabled add-ons, the developer could easily put out an update that changes what the program does today.
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4 of 4 people found the following review helpful
5.0 out of 5 stars 1st gen kf fail update 3 to 5 November 22, 2013
Verified Purchase
great art
simple play
on my platform 1st planet each of 6 stages were same set of tests in different order. Did not advance.

Un-installed then turned of off. Re-installed and works as expected.
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7 of 9 people found the following review helpful
3.0 out of 5 stars nice little game November 22, 2013
By Exvior
Verified Purchase
This is a nice and simple little game. After playing the first 3 stages, I would describe this game as a "simplified space Frogger." The object is to collect a shiny square while avoiding asteroids.

Decent graphics
Simple to understand
Maybe fun for kids?

Simple, easy, short.
No real replay value.
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4 of 5 people found the following review helpful
Verified Purchase
This is a nicely designed game and the graphics are very nicely done. There is even an exit button on the home screen. The object of the game is to collect all of the jewel like objects while avoiding the asteroids as you travel from planet to planet. Some asteroids are stationary and some are moving and tumbling. Each progressive level gets harder. It is a mind teasing puzzle that makes you think of the best strategy to clear the screen. As some of the objects are moving quickly you have to carefully get to the right area and also use perfect timing. Each level changes and it adds something to increase the difficulty like having the jewels move to a new location on the screen or to have them disappear and reappear somewhere else on the screen.

I like this game as it in challenging, frustrating and entertaining. It is not a fast action game but a thinking game. Once you complete the game I don’t know if the game has any replay value, as you have figured out a strategy to beat each level, but for a free game it is well worth getting.
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Most Recent Customer Reviews
3.0 out of 5 stars Three Stars
forgot I had it
Published 4 months ago by Peter M Goodman
2.0 out of 5 stars not my game
Wasn't my personal favorite it is well programmed but I just didn't find it very engaging. Not worth paying any money for.
Published 9 months ago by skicatcher
3.0 out of 5 stars games should be fun
games should be fun
Published 10 months ago by Peter Paul
3.0 out of 5 stars Great!
Item was as described. Great!
Published 13 months ago by WtW
3.0 out of 5 stars Nice Game
Interesting if old-fashioned game. Works pretty well with the Kindle, but really not all that exciting. The old 80s Asteroids game was more interesting. Read more
Published 19 months ago by Critic's Corner
3.0 out of 5 stars Didn't excite me
I can see how this could potentially could get very addictive, but I personally just could not get into it.
Published 19 months ago by Justin H
1.0 out of 5 stars not very interesting for me
Maybe I'm just not very technologically adept but what is this and what are you suppose to do with it. Read more
Published 20 months ago by Patricia Eroh
2.0 out of 5 stars lameo app
I didn't like it cause I just cldn't get it working on my kindle hd.This device is the bomb too and never had this prob and in all fairness it somply may be bad connect cause a... Read more
Published 20 months ago by Eddy Santilli
2.0 out of 5 stars Not a fan
Kids didn't like it, 11 and 12 yrs old, though I suspect it just didn't have the flash they normally like to see.
Published 20 months ago by Igenus
4.0 out of 5 stars Challenging Game
This is a challenging puzzle game. It is very simplistic at the beginning but gets harder as the game progresses. I wish there were more levels.
Published 20 months ago by Anonymous
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