Rewritten man page. Removed large dependencies by writing directly for man.

Makefile

@@ -24,7 +24,6 @@ obj/%.o: src/%.c
 remake: clean all
 
 clean:
-	rm -f obj/*
-	rm -f 2048
+	rm -f $(O_FILES) $(PROGRAM)
 
 .PHONY: clean remake

man/2048.1

@@ -0,0 +1,58 @@
+.TH 2048 1
+
+.SH NAME
+2048 \- play the game 2048 in your terminal
+
+.SH SYNOPSIS
+.B 2048
+[\fB\-hrcCaA\fR]
+[\fB\-s\fR \fISIZE\fR]
+[\fB\-b\fR \fIRATE\fR]
+[\fB\-g\fR \fIGOAL\fR]
+
+.SH DESCRIPTION
+.B 2048
+is an implementation of the popular game, 2048, designed to be run on a
+terminal. It is deisgned to be easy to understand and extend.
+
+.SH CONTROLS
+.TP
+.BR hjkl " " and " " wasd
+Default movement keys. Depending on the graphics implementation, there may be
+extra alternatives.
+.TP
+.BR \q
+Quit the current game.
+
+.SH OPTIONS
+.TP
+.BR \-h
+Print the program usage.
+.TP
+.BR \-c
+Turn on color support (default).
+.TP
+.BR \-C
+Turn off color support.
+.TP
+.BR \-a
+Turn on animations (default).
+.TP
+.BR \-A
+Turn off animations.
+.TP
+.BR \-s " " \fISIZE\fR
+Set the size of the playing field. Default is 4. Maximum value is 16, minimum is 4.
+.TP
+.BR \-b " " \fIRATE\fR
+Set the rate at which blocks are spawned. Default is 1.
+.TP
+.BR \-g " " \fIGOAL\fR
+Set the target end condition. Default is 2048.
+
+.SH AUTHORS
+Originally written by Tiehuis.
+All contributions can be found at \fIhttps://github.com/Tiehuis/2048-cli\fR.
+
+.SH COPYRIGHT
+MIT License (2014)

src/options.c

@@ -5,22 +5,7 @@
 
 void print_usage(void)
 {
-    printf(
-    "usage: 2048 [-cCaArh] [-g <goal>] [-b <rate>] [-s <size>]\n"
-    "\n"
-    "controls\n"
-    "   hjkl        movement keys\n"
-    "   q           quit current game\n"
-    "\n"
-    "options\n"
-    "   -s <size>   set the grid side lengths\n"
-    "   -b <rate>   set the block spawn rate\n"
-    "   -g <goal>   set a new goal (default 2048)\n"
-    "   -a          enable animations (default)\n"
-    "   -A          disable animations\n"
-    "   -c          enable color support\n"
-    "   -C          disable color support (default)\n"
-    );
+    printf("usage: 2048 [-cCaArh] [-s SIZE] [-b RATE] [-g GOAL]\n");
 }