Update README

README.md

@@ -1 +1,27 @@
-coconut-crack
+# Coconut Crack
+
+A simulator for the playground game 'Coconut Crack'.
+
+Prints the players in the order that lose.
+
+## Rules
+
+Players stand in a circle and put 2 fists together into a 'coconut' while a leader bumps their coconut round the circle chanting "Coconut, coconut, coconut, crack".
+
+If the coconut lands on yours on the 'crack' then it cracks into 2 separated fists. A single fist goes behind the back when cracked. If all your coconut pieces are cracked then you're out, and the last person standing wins.
+
+## Usage
+
+`coconut-crack-exe.exe PLAYERS [-c|--coconuts INT] [-p|--pieces INT]`
+
+Available options:
+
+- `PLAYERS` - No. of players in the game
+- `-c`, `--coconuts INT` - No. of coconuts before a crack (default: 3)
+- `-p`, `--pieces INT` - No. of pieces a coconut cracks into
+
+  0 means the coconut is destroyed on the 1st crack (default: 2)
+
+## Compiling
+
+Run `stack build` and the executable will be somewhere in `.stack-work/install`.