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X Construction

by CrossConstruct

Price: $1.49
Sold by: Amazon Digital Services LLC
Available instantly

This app needs permission to access:

Write to external storage

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Latest Updates

What's new in version 1.40
  • Removed Open Feint highscore ranking support. The service was discontinued. Sorry for that.
  • Added another level

Product Details



Product Features

  • Based on civil engineering principles and physics
  • 25 puzzle levels and 11 free build levels to choose from
  • Free build mode features an unlimited amount of building materials
  • A variety of real-world bridge building materials to use
  • Adjustable train weights increase difficulty levels

Product Description

Build a bridge with the given amount of materials to let the train safely cross the valley.

Please try the Lite version before you buy the game!
The savegames of both versions are separate of each other. Sorry about that.
There are currently 15 levels in the game.

The paid version has the following advantages:
⇒ no ads
⇒ free build mode
⇒ more levels and materials

Technical Details

Size: 7.4MB
Version: 1.40
Developed By: CrossConstruct
Application Permissions: ( Help me understand what permissions mean )

Write to external storage

Minimum Operating System: Android 2.1
Approximate Download Time: Less than 1 minute

Customer Reviews

Top Customer Reviews

Excellent game. The physics are a bit dubious, but seem a reasonable approximation. Some of the solutions remind me of the wonky third world bridges I've seen.

And as a bridge builder myself, I find I have to throw out a lot of "tried and true" principles to "beat" this game.

Love the screams when you fail. Wish there was an optimal solution cheat sheet to see the most efficient, or unusual solutions.
Comment 40 of 48 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
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This is a slightly more 'serious' building app than Spaghetti and Marshmallows. Here, you'll build, test, and build again to compensate for those vexing structural failures that culminate in screaming train wrecks. It's wonderful for demonstrating engineering principles to younger audiences and keeping you entertained for quick bouts of boredom. Your bridges save after you've exited the game, so if you have to take a break, your work will persist.

The younger players I've showed this to tend to respond most enthusiastically to the results of poor construction, but you'll feel the tension as the moment of truth approaches and the train rumbles toward the critical point -- will it hold, or will it fail? And as the surface buckles under the load, you can see the disappointment and the resolve to build it better, to take the failure into account -- or the collective sigh of relief at the bridge holding fast.

When I see a particularly decent design that falls apart due to small oversights, I imagine Henry Petroski lecturing on engineering failures in the background -- for readers who don't get bored by talk of bridge failure analysis, this is a fun little building game. And for the rest of us, it's a nice lesson in armchair engineering.

(Samsung Epic 4G)
1 Comment 26 of 32 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
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I got the game from the Android Market, but I wanted to review it on here anyways just to support a great game. This game makes you think out what you have to do, has great and colorful animations, and, this is my favorite, give you a giggle or two every time the passengers of the train scream for their live as they are falling of the cliff.
1 Comment 27 of 34 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
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I've had this game on my tablet for a while, but never got around to downloading it to my phone until I noticed it was the App of the Day.

I have to say this is a really great physics based game. I really enjoy building the bridges...but honestly, what I enjoy even more are the screams of the passengers as the train plummets to it's demise. I think it's hilarious in a demented and twisted way. Whenever I fail, I don't get upset because I just get to listen to the hilarious sound effects.

Overall, this is a must have game if you're an Android owner looking for games.

Great stuff.
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For an app that is not free, you expect to be entertained for a decent amount of time. This app contains only 15 puzzle levels, each of which can be beaten in 5 minutes for the average person. While it does contain 7 sandbox levels, you can easily become bored with them in short time. The graphics are also subpar when viewed on a tablet, and appear stretched and fuzzy.
2 Comments 4 of 4 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
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Makes you think and have a lot of fun along the way. The physics seem realistic. I like to solve the puzzles when limited pieces are available, but my favorite is sandbox mode where you're allowed unlimited parts. I very highly recommend this.
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I played the demo of this a while back and thought it needed work before i would buy it. After playing the full version, I'm glad I never bought it. The interface is horrendous. it needs a zoom window badly because your finger blocks all the action. There are other frustrating issues as well.
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The interface is okay but this is very difficult. A tutorial for people who aren't natural engineers would make a big difference. Just saying that triangles are more stable isn't all that helpful.
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