Here is the code for MatchStick game. Hope you'll enjoy playing.

matchstickGame.c

#include <stdio.h>
	int main(){
	int match = 21, comp, user, choice, c = 0;
	printf(“Game Rules:\nYou have to pick 1, 2, 3 or 4 matchstick at a time.”);
	printf(“\nAfter your picking, computer does its picking.”);
	printf(“\nWhoever is forced to pick the last matchstick looses the game.”);
	printf(“\nPress 1 to start the game:”);
	scanf(“%d”, &choice);
	while (choice == 1) {
		do {
			printf(“\nPick any number of matchstick:”);
			scanf(“%d”, &user);
			if (user > 4) {
				printf(“You picked more than 4 stick, you loose.\n”);
				c++;
				break;
			}
			match = match — user;
			comp = 5 — user;
			printf(“\nComputer picks %d matchstick.\n”, comp);
			match = match — comp;
		} while (match > 1);
		if (c == 0) {
			printf(“\nYou picked the last matchstick, so you loose.\n”);
			break;
		}
		break;
	}
}