27 April 2014

HOW TO: Solve 2048 Tile-based Puzzle Game?

Want to play a tile-based puzzle game on your PC or smartphone? Spoiler alert: It is addictive yet good for the brain.

When I played it first, it took me 5 hours to complete one heck of the game. The truth is I was searching and reading for honest tips to solve this 2048 game. Yes, I found many. Still, it was tough. The good thing is when I was comfortable with the important arrow keys and with faster recognition of numbers, I tend to focus more on a smaller number(BASIC) which in turn I won the game.
What is 2048?
2048 is a FREE, tile-based, sliding block puzzle, single-player, and addictive online/offline mobile game that was developed by a 19-year-old Italian Web Developer, Gabriele Cirulli based on 1024 by Veewo Studio and conceptually similar to Threes by Asher Vollmer.

Surprisingly at the first week, it received over 4 million visitors who described by the Wall Street Journal "almost like Candy Crust for Math Geeks" and on Business Insider called it "Three on Steroids."
2048 tile-based game
2048 winning portable based. PC 
Although, in the creator at GitHub, he mentioned that his 2048 is a small clone of 1024 that is also based on Saming's 2048 (also a clone).

The primary objective here is to get 2048 value of tile which you need to slide the tile with two similar number to combine and create higher value.

Did you know that the author did not reach or win the game?

2048 Gameplay
What it makes more interesting is that it's pretty simple 4 x 4 grid of tiles. The color of tiles is different concerning the value of the tiles.

The game only uses ARROW keys(up, right, down, left) which are more convenient to play with. If two tiles with the same number collide when moving/sliding, it will combine and make a power of two until it reaches 2048 value.

Note: A value of 2 or sometimes 4 appears randomly in a different location.

Sample two tiles:
  • 2 +2    =  4
  • 4 +4    =  8
  • 8+8     = 16
  • 16+16 = 32
  • and so on until 2048.
If you reach 2048, you will be asked if you will continue or restart it beyond 2048.

2048 Scoring board
In the upper portion, it displays user's score. It started at Zero and incremented when two tiles combine to form a new higher value tile. The best score is shown alongside with the current rating.

Second winning : 2048
Second winning: 2048
In Mathematics
Every tile is a power of 2. In the worst case scenario of only 2s appearing on the board, a player would need to make M_n=2^{n-1}-1 matches to get to a tile with label 2^n, scoring in total S_n=2^n (n-1) points for this tile. In the best case scenario with only 4s appearing, the corresponding figures are M'_n=2^{n-2}-1 and S'_n=2^n (n-2).
n2^nM_nS_nM'_nS'_n
1200
241400
3831618
416748332
53215128796
6643132015256
71286376831640
82561271792631536
951225540961273584
10102451192162558192
11204810232048051118432
124096204745056102340960
138192409598304204790112
141638481912129924095196608
1532768163834587528191425984
16655363276798304016383917504
17131072327671966080
Therefore, the highest theoretically possible total score would be 1,835,012 if only 2s appear, and twice this value in the case of 4s only.
2048 download

Initially, you can play it here: http://gabrielecirulli.github.io/2048/
You can also play with it on your phone: http://git.io/2048.
However, you if want to it in the desktop (online plus additional features): 2048 Portable App

HOW TO: Solve 2048 Tile-based Puzzle Game?
When I downloaded and installed it's 2048 portable (which can be played in the Desktop), I have seen AI explains the game. It's kinda pretty amusing, yet it has complicated set of patterns. Though I only have seen it once, I noticed that its deal with tons of rules to achieve 2048.

But my instincts tell me, that maybe it's entirely scripted to run as intended as that.

Also, one of the blogs I read, it gives a particular set of rules:
  • to keep the highest tile in the corner and do not move it.
But with the portable AI, it's kinda conflicting at first.
2048 pattern to solve
Pattern: image courtesy: http://www.pictures-of-nepal.com/2048-game-hack-cheat/
You will notice that on the left below corner, it's the highest value to lower value. Above it, the row is a reverse, lower value to higher value.

Although, the author of that blog post admits that if you will use it, there is an 80% chance of winning.

With that, I came up with some tips and techniques:

1. Putting the highest value in the corner(left or right) is quite better. 
Although it is necessary, you can experiment with it. The more you played it, the more you will gain a better understanding and thus determine hints and tips.

2048 highest value in the corner
the highest value in the corner
I choose the left side, so I must put it in that way. Yes, I admit that in some cases, it will be moved necessarily. And it is Okay.

2. Always fill the BOTTOM Row, so that the highest value in the corner will not be moved.
Always fill the bottom row
Always fill the bottom row
Again, it is not the necessary to rule however when the game lasts, it 's hard to recover when you try to slide it in the opposite direction, and the random tile value appears in the corner(highest value position).

3. Be sure that your upper rows are a greater value than the bottom row.

If you choose to solve it in the bottom row, its top rows SHOULD be higher value. See image below. It is recommended to avoid such occurrence. Yes, it can still be solved and be merged. But later on, it will difficult to convert tile(2) in higher value since the upper row values keep on merging into higher value. 
2048 upper row must be higher
2048 upper row must be higher
4. Avoid Pressing Unnecessary UP Arrow Key
Pressing UP arrow key sometimes, your bottom row will be inserted by tile value of which is difficult to merge. Below image is an example, I am sure if it is the case, you will have the difficulties later on.

Avoid Pressing Unnecessary UP Arrow Key
Avoid Pressing Unnecessary UP Arrow Key
Exception:
  • If the left column is occupied by titles, itis good to use UP ARROW key if you really don't have any moves except UP arrow key then use it anyway.
5. One WRONG move will lose you
As the game reaches to later part(says you have a 16k score),  focus on moving the tiles or else you will lose.


If you follow these TIPS, you will WIN (based on my experienced). Also, if you want to achieve more score, it theoretically reaches million of a score. WOW! 

Brain Benefits
By the way, with this game, it helps and improves your brain thinking capability. It will see and predict tiles to solve or merge one problem.

Of course, you will get addicted and feels more frustration if you can't solve it. But patiently, it is more relieving. :3

Enjoy. ~mabzicle

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