Today I was kind of bored and tired trying to implement an algorithm for a game that I'm doing by request.
Casually I ended in the 2048 game page, and I passed half an hour playing it.
The objective of the game is to move all numbers in any of 4 directions (like falling), and the numbers of same value collapse, till you get the magical 2048 number. It's not so easy.
I thought it would make a very interesting Intellivision game and I started coding it, it took me 4 hours.
And here is it after some polishing, including adding some music by First Spear
Edit: BTW sources included,
maybe tomorrow I'll add now including a pair of sound effects I've forgot.
Edit 2: Now with 4096 and 8192 modes, press 5 in title screen