1139
votes
Accepted
Build a working game of Tetris in Conway's Game of Life
This began as a quest but ended as an odyssey.
Quest for Tetris Processor, 2,940,928 x 10,295,296
The pattern file, in all its glory, can be found here, viewable in-browser here.
This project is the ...
797
votes
Build a working game of Tetris in Conway's Game of Life
Part 2: OTCA Metapixel and VarLife
OTCA Metapixel
(Source)
The OTCA Metapixel is a construct in Conway's Game of Life that can be used to simulate any Life-like cellular automata. As the LifeWiki (...
- 15.5k
766
votes
Build a working game of Tetris in Conway's Game of Life
Part 3: Hardware
With our knowledge of logic gates and the general structure of the processor, we can start designing all the components of the computer.
Demultiplexer
A demultiplexer, or demux, is ...
- 6,766
726
votes
Build a working game of Tetris in Conway's Game of Life
Part 4: QFTASM and Cogol
Architecture Overview
In short, our computer has a 16-bit asynchronous RISC Harvard architecture. When building a processor by hand, a RISC (reduced instruction set computer)...
- 28.5k
683
votes
Build a working game of Tetris in Conway's Game of Life
Part 6: The Newer Compiler to QFTASM
Although Cogol is sufficient for a rudimentary Tetris implementation, it is too simple and too low-level for general-purpose programming at an easily readable ...
- 28.1k
81
votes
Magic the Gathering: Friends or Foes?
JavaScript (ES6), 26 23 17 15 14 bytes
Takes input as two ASCII codes in currying syntax (a)(b). Returns 4 for ...
- 165k
77
votes
Score rock-paper-scissors
Groovy, 67 56 50 Bytes
{a,b->Math.sin(1.3*((int)b[0]-(int)a[0])).round()}
Try it online!
Turns out that the rock, paper, scissors game has a pretty cool ...
- 20.2k
64
votes
Cheat at Rock-Paper-Scissors-Lizard-Spock
Perl 6, 36 30 bytes
{<Spock Lizard Rock>[.comb%4]}
Try it online!
Gets each output based on the length of the input modulo 4. I think this is probably the ...
- 45.6k
60
votes
Rock, Polyglot, Scissors
Python, brainfuck and JavaScript, 103 99 bytes Yay under 100 bytes!
...
- 7,940
52
votes
Accepted
49
votes
44
votes
Score rock-paper-scissors
C, 50 35 bytes
#define f(i)*(short*)(i+7)%51%4%3-1
Call f with a string containing both players, without separator, and it ...
- 1,167
41
votes
Rock, Polyglot, Scissors
Python 2, Ruby, Retina, 90 83 bytes
-7 bytes thanks to Value Ink
s=['rock','paper','scissors']
print s[s.index((0and gets or input()))+(0and-2or-1)]
Try it ...
- 6,227
37
votes
Magic the Gathering: Friends or Foes?
Jelly, 6 bytes
ạg105Ị
Takes two code points as argument. Yields 1 for friends, 0 for foes.
Try it online!
Background
Let n and m be the code points of two ...
- 206k
35
votes
Magic the Gathering: Friends or Foes?
Python 2, 19 bytes
"WUBRGWGRBUW".count
Try it online!
An anonymous function: returns 1 for friends and ...
- 65.5k
30
votes
Accepted
Google's doodle on kids coding: shortest program solving all the levels
Not my answer
6 blocks
The user Alex found a shorter solution, of length 6. I can confirm that their solution works:
O(O(Br G G, 6) Br, 5)
They attempted to ...
- 448
29
votes
Accepted
Choose The Powerball Numbers!
Dyalog APL, 10 bytes
(5?69),?26
Dyadic ? is ⍺ distinct random numbers in [1,⍵], and monadic ...
- 21.2k
29
votes
Yahtzee Small Straight Detection
MATL, 7 12 11 9 8 6 bytes
Thanks a lot to @lirtosiast for removing 2 bytes
ud7BXf
Truthy is an array of nonzero values. Falsy is empty array (no output displayed).
...
- 99.3k
27
votes
Is my Diffy game degenerate?
Pyth, 6 bytes
suaV+e
Test suite
This program is very suave. 0 (falsy) means all zeroes, anything else (truthy) means not all zeroes.
How it works:
...
- 41.3k
24
votes
Create a Simon Clone!
Scratch, 1604 – 125 = 1479
I'm here for the fun, not the golf.
Edit: updated scoring method based on community consensus.
Main program:
Individual sprites:
This is the sprite with number ...
- 8,936
23
votes
Invert a Minesweeper Board
CJam, 58 57 bytes
0WX]2m*qN/{'*f+z}2*f{\~@m<fm<W<}:..+{W<{_'*#'*@'*-,?}/N}/
Input should not end with a linefeed. Output contains ...
- 206k
23
votes
Accepted
22
votes
Accepted
21
votes
Accepted
Build a fewest-moves freecell solver
C 64,643 bytes, Score: ~6.5 million
The following Stack Snippet (courtesy of Mego) outputs all of the code as a single standalone C file:
...
- 3,532
21
votes
21
votes
Magic the Gathering: Friends or Foes?
Befunge-98, 13 12 bytes
~~-9%5%3%!.@
Try it online!
Prints 0 for friends and 1 for foes
...
- 3,051
21
votes
Rock, Polyglot, Scissors
V, Brain-flak, and Python 2, 97, 86, 81, 77, 75 bytes
o='rock paper scissors'.split()
lambda s:o[o.index(s)-1]#ddt.C rHd*wywVp
Two bytes saved ...
- 57k
21
votes
A game of dice, but avoid number 6
NeoBot
Instead, only try to realize the truth - there is no spoon
NeoBot peeks into the matrix (aka random) and predicts if the next roll will be a 6 or not - it can't do anything about being handed ...
- 359
Only top scored, non community-wiki answers of a minimum length are eligible