diff --git a/du8/Makefile b/du8/Makefile
new file mode 100644
index 0000000..662004c
--- /dev/null
+++ b/du8/Makefile
@@ -0,0 +1,15 @@
+CC=gcc
+CFLAGS=-Wall -Wextra -std=c99
+LDFLAGS=-lncurses
+
+SRC=main.c game.c world.c
+OBJ=$(SRC:.c=.o)
+EXEC=tictactoe
+
+all: $(EXEC)
+
+$(EXEC): $(OBJ)
+	$(CC) -o $@ $^ $(LDFLAGS)
+
+clean:
+	rm -f $(EXEC) $(OBJ)
diff --git a/du8/game.c b/du8/game.c
new file mode 100644
index 0000000..3ba2e65
--- /dev/null
+++ b/du8/game.c
@@ -0,0 +1,117 @@
+#include <stdio.h>
+#include "game.h"
+#include "world.h" // *
+
+int select_game_mode() {
+    world_clear(); // *
+    world_print("Zvol si herny rezim:\n1. PvP\n2. PvE\n3. AI vs Human\n"); // *
+    char c = world_read_key(); // *
+    return c - '0';
+}
+void init_game(GameState *game, int mode) {
+    game->mode = mode;
+    game->current_player = 0;
+    game->moves_made = 0;
+
+    char default_symbols[MAX_PLAYERS] = {'X', 'O', 'A', 'B'};
+    for (int i = 0; i < MAX_PLAYERS; i++) {
+        game->symbols[i] = default_symbols[i];
+    }
+
+    if (mode == 1) {
+        game->board_size = 4;
+        game->num_players = 3;
+    } else if (mode == 2) {
+        game->board_size = 2;  // začne s 2x2, rastie do 4x4
+        game->num_players = 2;
+    } else {
+        game->board_size = 3;
+        game->num_players = 2;
+    }
+
+    for (int y = 0; y < MAX_BOARD_SIZE; y++) {
+        for (int x = 0; x < MAX_BOARD_SIZE; x++) {
+            game->board[y][x] = ' ';
+        }
+    }
+}
+void draw_game(GameState *game) {
+    for (int y = 0; y < game->board_size; y++) {
+        for (int x = 0; x < game->board_size; x++) {
+            world_set_cursor(x * 4 + 1, y * 2 + 1); // *
+            world_print("%c", game->board[y][x]); // *
+        }
+    }
+    world_set_cursor(0, game->board_size * 2 + 2); // *
+    world_print("Na rade je hrac: %c\n", game->symbols[game->current_player]); // *
+}
+void handle_input(GameState *game) {
+    int x = 0, y = 0;
+    while (1) {
+        world_set_cursor(x * 4 + 1, y * 2 + 1); // *
+        char key = world_read_key(); // *
+        if (key == 'w' && y > 0) y--;
+        else if (key == 's' && y < game->board_size - 1) y++;
+        else if (key == 'a' && x > 0) x--;
+        else if (key == 'd' && x < game->board_size - 1) x++;
+        else if (key == ' ') {
+            if (game->board[y][x] == ' ') {
+                game->board[y][x] = game->symbols[game->current_player];
+                game->moves_made++;
+                break;
+            }
+        }
+    }
+}
+void computer_move(GameState *game) {
+    for (int y = 0; y < game->board_size; y++) {
+        for (int x = 0; x < game->board_size; x++) {
+            if (game->board[y][x] == ' ') {
+                game->board[y][x] = game->symbols[game->current_player];
+                game->moves_made++;
+                return;
+            }
+        }
+    }
+}
+
+int check_winner(GameState *game) {
+    int max_line = 0;
+    int size = game->board_size;
+
+    for (int p = 0; p < game->num_players; p++) {
+        char sym = game->symbols[p];
+        int longest = 0;
+
+        // Kontrola horizontálne, vertikálne a diagonálne
+        for (int y = 0; y < size; y++) {
+            int row = 0, col = 0;
+            for (int x = 0; x < size; x++) {
+                row = (game->board[y][x] == sym) ? row + 1 : 0;
+                col = (game->board[x][y] == sym) ? col + 1 : 0;
+                if (row > longest) longest = row;
+                if (col > longest) longest = col;
+            }
+        }
+
+        int diag1 = 0, diag2 = 0;
+        for (int i = 0; i < size; i++) {
+            diag1 = (game->board[i][i] == sym) ? diag1 + 1 : 0;
+            diag2 = (game->board[i][size - 1 - i] == sym) ? diag2 + 1 : 0;
+            if (diag1 > longest) longest = diag1;
+            if (diag2 > longest) longest = diag2;
+        }
+
+        if (longest >= 3) {
+            game->current_player = p;
+            return 1;
+        }
+
+        if (longest > max_line) {
+            max_line = longest;
+        }
+    }
+
+    return 0;
+}
+
diff --git a/du8/game.h b/du8/game.h
new file mode 100644
index 0000000..8f86f19
--- /dev/null
+++ b/du8/game.h
@@ -0,0 +1,23 @@
+#ifndef GAME_H
+#define GAME_H
+
+#define MAX_PLAYERS 4
+#define MAX_BOARD_SIZE 10
+
+typedef struct {
+    int board_size;
+    int num_players;
+    int mode; // 1 = PvP, 2 = PvE, 3 = AI vs Human
+    int current_player;
+    int moves_made;
+    char board[MAX_BOARD_SIZE][MAX_BOARD_SIZE];
+    char symbols[MAX_PLAYERS];
+} GameState;
+
+int select_game_mode();
+void init_game(GameState *game, int mode);
+void draw_game(GameState *game);
+void handle_input(GameState *game);
+void computer_move(GameState *game);
+int check_winner(GameState *game);
+#endif 
diff --git a/du8/game.o b/du8/game.o
new file mode 100644
index 0000000..c0435cb
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diff --git a/du8/main.c b/du8/main.c
new file mode 100644
index 0000000..a774d64
--- /dev/null
+++ b/du8/main.c
@@ -0,0 +1,37 @@
+#include <stdio.h>
+#include "game.h"
+#include "world.h" // *
+
+int main() {
+    world_init(); // * inicializácia world 
+
+    GameState game;
+    int mode = select_game_mode();
+    init_game(&game, mode);
+
+    while (1) {
+        world_clear(); // * vyčistenie obrazovky 
+        draw_game(&game); // * vykreslenie hracieho poľa 
+
+        if (check_winner(&game)) {
+            world_print("\nVyhral hrac %c!\n", game.symbols[game.current_player]); // * výpis 
+            break;
+        } else if (game.moves_made >= game.board_size * game.board_size) {
+            world_print("\nRemiza!\n"); // * výpis 
+            break;
+        }
+
+        if (game.mode == 3 && game.current_player == 1) {
+            computer_move(&game);
+        } else {
+            handle_input(&game); // * ovládanie
+        }
+
+        game.current_player = (game.current_player + 1) % game.num_players;
+    }
+
+    world_print("Stlač akúkoľvek klávesu pre ukončenie...\n"); // * výpis 
+    world_read_key(); // * caka na vstup
+    world_end(); // * 
+    return 0;
+}
diff --git a/du8/main.o b/du8/main.o
new file mode 100644
index 0000000..b6eec83
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diff --git a/du8/tictactoe b/du8/tictactoe
new file mode 100755
index 0000000..6d23194
Binary files /dev/null and b/du8/tictactoe differ
diff --git a/du8/world.c b/du8/world.c
new file mode 100644
index 0000000..bec49ec
--- /dev/null
+++ b/du8/world.c
@@ -0,0 +1,39 @@
+#include <ncurses.h>
+#include <stdarg.h>
+#include <stdio.h>
+#include "world.h"
+
+void world_init() {
+    initscr();              // inicializácia ncurses
+    raw();                  // vypne linkový režim (bez enter)
+    keypad(stdscr, TRUE);   // povolí šípky
+    noecho();               // nevypisuje znaky
+    curs_set(1);            // viditeľný kurzor
+}
+
+void world_end() {
+    endwin();               // ukončí ncurses
+}
+
+void world_clear() {
+    clear();                // vyčistí obrazovku
+    refresh();              // prekreslí
+}
+
+void world_print(const char *fmt, ...) {
+    va_list args;
+    va_start(args, fmt);
+    vw_printw(stdscr, fmt, args);
+    va_end(args);
+    refresh();
+}
+
+void world_set_cursor(int x, int y) {
+    move(y, x);
+    refresh();
+}
+
+char world_read_key() {
+    return getch();         // načítanie jedného znaku
+}
+
diff --git a/du8/world.h b/du8/world.h
new file mode 100644
index 0000000..f17adb6
--- /dev/null
+++ b/du8/world.h
@@ -0,0 +1,23 @@
+#ifndef WORLD_H
+#define WORLD_H
+
+// Inicializuje  (ncurses).
+void world_init();
+
+// Ukončí ncurses 
+void world_end();
+
+// Vymaže obrazovku.
+void world_clear();
+
+// Vypíše ynak pozíciu kurzora.
+void world_print(const char *fmt, ...);
+
+// Presunie kurzor na  (x, y).
+void world_set_cursor(int x, int y);
+
+// Prečíta jeden ynak
+char world_read_key();
+
+#endif
+
diff --git a/du8/world.o b/du8/world.o
new file mode 100644
index 0000000..e315a73
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