diff --git a/tetris.cpp b/tetris.cpp
new file mode 100644
index 0000000..e3d6c46
--- /dev/null
+++ b/tetris.cpp
@@ -0,0 +1,190 @@
+#include <SDL2/SDL.h>
+#include <time.h>
+#include "jscore.h"
+
+#define STATE_MENU 0
+#define STATE_GAME 1
+#define STATE_ENNERYORNEIM 2
+Uint8 state = STATE_MENU;
+
+SDL_Window* sdlWindow;
+SDL_Renderer* sdlRenderer;
+SDL_Texture* sdlTexture;
+SDL_Event sdlEvent;
+bool should_exit = false;
+struct Tetromino { Uint16 figure; Uint8 orig, prev, next; };
+Tetromino tetromino[19] { {0x0660, 0, 0, 0}, {0x4444, 1, 2, 2}, {0x0F00, 1, 1, 1}, {0x0C60, 2, 4, 4}, {0x2640, 2, 3, 3}, {0x06C0, 3, 6, 6}, {0x4620, 3, 5, 5}, {0x4460, 4, 8, 10}, {0x2E00, 4, 9, 7}, {0xC440, 4, 10, 8}, {0x0E80, 4, 7, 9}, {0x44C0, 5, 12, 14}, {0x0E20, 5, 13, 11}, {0x6440, 5, 14, 12}, {0x8E00, 5, 11, 13}, {0x4640, 6, 16, 18}, {0x4E00, 6, 17, 15}, {0x4C40, 6, 18, 16}, {0x0E40, 6, 15, 17} };
+Uint8 starting[7] { 0, 1, 3, 5, 7, 11, 15 };
+Uint8 colors[8][3] { {255, 0, 0}, {0, 255, 0}, {0, 0, 255}, {255, 255, 0}, {0, 255, 255}, {255, 0, 255}, {255, 128, 0}, {255, 255, 255} };
+Uint8 board[18][10];
+Uint8 bmp[448] {0x42, 0x4D, 0xC0, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3E, 0x00, 0x00, 0x00, 0x28, 0x00, 0x00, 0x00, 0x30, 0x00, 0x00, 0x00, 0x30, 0x00, 0x00, 0x00, 0x01, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x82, 0x01, 0x00, 0x00, 0x12, 0x0B, 0x00, 0x00, 0x12, 0x0B, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x18, 0xF3, 0x83, 0x83, 0xCF, 0x83, 0x87, 0x00, 0x00, 0xF3, 0x39, 0x39, 0xCF, 0x79, 0xF3, 0x00, 0x00, 0x01, 0xF9, 0x39, 0xCF, 0x61, 0xF9, 0x00, 0x00, 0x33, 0xF9, 0x03, 0xE7, 0x87, 0x81, 0x00, 0x00, 0x93, 0x03, 0x3F, 0xF3, 0x1B, 0x39, 0x00, 0x00, 0xC3, 0x3F, 0x9F, 0x39, 0x3B, 0x39, 0x00, 0x41, 0xE3, 0x03, 0xC3, 0x01, 0x87, 0x83, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0xE7, 0x01, 0xC7, 0x81, 0x01, 0x83, 0x00, 0x00, 0xE7, 0x1F, 0x9B, 0xE7, 0x1F, 0x39, 0x00, 0x00, 0xE7, 0x8F, 0x39, 0xE7, 0x87, 0xF9, 0x00, 0x00, 0xC3, 0xC7, 0x39, 0xE7, 0xC3, 0xC3, 0x00, 0x00, 0x99, 0xE3, 0x39, 0xE7, 0xF1, 0xE7, 0x00, 0x00, 0x99, 0xF1, 0xB3, 0xC7, 0x39, 0xF3, 0x00, 0x00, 0x99, 0x01, 0xC7, 0xE7, 0x83, 0x81, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x83, 0xE7, 0x83, 0xEF, 0x39, 0x39, 0x00, 0x00, 0x39, 0xE7, 0x39, 0xC7, 0x11, 0x11, 0x00, 0x00, 0xF9, 0xE7, 0x39, 0x83, 0x01, 0x83, 0x00, 0x00, 0x83, 0xE7, 0x39, 0x11, 0x01, 0xC7, 0x00, 0x00, 0x3F, 0xE7, 0x39, 0x39, 0x29, 0x83, 0x00, 0x00, 0x33, 0xE7, 0x39, 0x39, 0x39, 0x11, 0x00, 0x00, 0x87, 0x81, 0x39, 0x39, 0x39, 0x39, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x39, 0x39, 0x83, 0x3F, 0x85, 0x31, 0x00, 0x00, 0x39, 0x31, 0x39, 0x3F, 0x33, 0x23, 0x00, 0x00, 0x29, 0x21, 0x39, 0x03, 0x21, 0x07, 0x00, 0x00, 0x01, 0x01, 0x39, 0x39, 0x39, 0x31, 0x00, 0x00, 0x01, 0x09, 0x39, 0x39, 0x39, 0x39, 0x00, 0x00, 0x11, 0x19, 0x39, 0x39, 0x39, 0x39, 0x00, 0x00, 0x39, 0x39, 0x83, 0x03, 0x83, 0x03, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0xC1, 0x39, 0x81, 0x83, 0x31, 0x01, 0x00, 0x00, 0x99, 0x39, 0xE7, 0x39, 0x23, 0x3F, 0x00, 0x00, 0x39, 0x39, 0xE7, 0xF9, 0x07, 0x3F, 0x00, 0x00, 0x31, 0x01, 0xE7, 0xF9, 0x0F, 0x3F, 0x00, 0x00, 0x3F, 0x39, 0xE7, 0xF9, 0x27, 0x3F, 0x00, 0x00, 0x9F, 0x39, 0xE7, 0xF9, 0x33, 0x3F, 0x00, 0x00, 0xC1, 0x39, 0x81, 0xF9, 0x39, 0x3F, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x39, 0x03, 0xC3, 0x07, 0x01, 0x3F, 0x00, 0x00, 0x39, 0x39, 0x99, 0x33, 0x3F, 0x3F, 0x00, 0x00, 0x01, 0x39, 0x3F, 0x39, 0x3F, 0x3F, 0x00, 0x00, 0x39, 0x03, 0x3F, 0x39, 0x03, 0x03, 0x00, 0x00, 0x39, 0x39, 0x3F, 0x39, 0x3F, 0x3F, 0x00, 0x00, 0x93, 0x39, 0x99, 0x33, 0x3F, 0x3F, 0x00, 0x00, 0xC7, 0x03, 0xC3, 0x07, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00};
+SDL_Point piece_pos {3, 0};
+Uint8 current_piece = 0;
+Uint8 next_piece = 0;
+int level = 0, lines = 0, score = 0;
+Uint8 speed = (20-SDL_min(19, level))*3;
+
+bool is_valid_move() {
+    int x = piece_pos.x+3;
+    int y = piece_pos.y+3;
+    Uint16 piece = tetromino[current_piece].figure;
+    for (int i=0; i<16; i++) {
+        if ((piece & 1) && ( (x >= 10) || (x < 0) || (y >= 18) || (board[y][x] != 0) ) ) { return false; }
+        piece = piece >> 1;
+        x--; if (x < piece_pos.x) { x = piece_pos.x+3; y--; }
+    }
+    return true;
+}
+
+void stack_piece() {
+    if (piece_pos.y==0) exit(0);
+    int x = piece_pos.x+3, y = piece_pos.y+3;
+    Uint16 piece = tetromino[current_piece].figure;
+    for (int i=0; i<16; i++) {
+        if (piece & 1) { board[y][x] = tetromino[current_piece].orig+1; }
+        piece >>= 1;
+        if (--x < piece_pos.x) { x = piece_pos.x+3; y--; }
+    }
+    piece_pos = {3, 0};
+    current_piece = next_piece;
+    next_piece = starting[rand()%7];
+
+    int count = 0, line = 17;
+    while (line > 0) {
+        bool complete = true;
+        for (int x=0; x<10; x++) { complete = (board[line][x] != 0); if (!complete) break; }
+        if (complete) { count++; for(int y=line; y>0; y--) for(int x=0; x<10; x++) board[y][x] = board[y-1][x]; } else { line--; }
+    }
+    lines += count;
+    const int scoremult[4]={40,100,300,1200};
+    if (count>0) score += scoremult[count-1] * (level+1);
+    level = lines / 10;
+}
+
+void draw_cube(int x, int y, int color, Uint8 alpha) {
+    SDL_Rect rect { (32/alpha)*x, (32/alpha)*y, (32/alpha), (32/alpha)};
+    SDL_SetRenderDrawColor(sdlRenderer, colors[color][0]/alpha, colors[color][1]/alpha, colors[color][2]/alpha, 255); SDL_RenderFillRect(sdlRenderer, &rect);
+    SDL_SetRenderDrawColor(sdlRenderer, colors[color][0]/2/alpha, colors[color][1]/2/alpha, colors[color][2]/2/alpha, 255); SDL_RenderDrawRect(sdlRenderer, &rect);
+}
+
+void draw_tetromino(int init_x, int init_y, int piece_to_draw, Uint8 alpha) {
+    int x = init_x+3;
+    int y = init_y+3;
+    Uint16 piece = tetromino[piece_to_draw].figure;
+    for (int i=0; i<16; i++) {
+        if (piece & 1) draw_cube(x, y, tetromino[piece_to_draw].orig, alpha);
+        piece = piece >> 1;
+        x--; if (x < init_x) { x = init_x+3; y--; }
+    }
+}
+
+void print(int x, int y, const char* text, Uint8 color) {
+    int cc = 0;
+    SDL_SetTextureColorMod(sdlTexture, colors[color][0], colors[color][1], colors[color][2]);
+    SDL_Rect src {0, 0, 8, 8}, dst {x, y, 16, 16};
+    while (text[cc] != 0) {
+        if (text[cc] == 32) { cc++; dst.x+=16;continue; }
+        else if (text[cc] >= 65) { src.x = ((text[cc]-65)%6)*8; src.y = ((text[cc]-65)/6)*8; }
+        else if (text[cc] < 65) { src.x = ((text[cc]-22)%6)*8; src.y = ((text[cc]-22)/6)*8; }
+        SDL_RenderCopy(sdlRenderer, sdlTexture, &src, &dst);
+        cc++; dst.x+=16;
+    }
+}
+void print(int x, int y, const int num, int pad, Uint8 color) {
+    char result[8];
+    SDL_itoa(num, result, 10); while (strlen(result) < pad) { for(int i=strlen(result); i>=0; i--) result[i+1]=result[i]; result[0]='0'; }; print(x, y, result, color);
+}
+
+void doGame() {
+    while(SDL_PollEvent(&sdlEvent)) {
+        if (sdlEvent.type == SDL_QUIT) { should_exit = true; break; }
+        if (sdlEvent.type == SDL_KEYDOWN) 
+            switch (sdlEvent.key.keysym.scancode) {
+                case SDL_SCANCODE_RIGHT: { piece_pos.x++; if (!is_valid_move()) piece_pos.x--; break; }
+                case SDL_SCANCODE_LEFT: { piece_pos.x--; if (!is_valid_move()) piece_pos.x++; break; }
+                case SDL_SCANCODE_DOWN: { piece_pos.y++; if (!is_valid_move()) { piece_pos.y--; stack_piece(); } break; }
+                case SDL_SCANCODE_UP: { current_piece = tetromino[current_piece].next; if (!is_valid_move()) current_piece = tetromino[current_piece].prev; break; }
+            }
+    }
+    if (--speed == 0) {
+        speed = (20-SDL_min(19, level))*3;
+        piece_pos.y++; if (!is_valid_move()) { piece_pos.y--; stack_piece(); }
+    }
+
+    SDL_SetRenderDrawColor(sdlRenderer, 0, 0, 0, 255);
+    SDL_RenderClear(sdlRenderer);
+    print(1, 1, "LEVEL", 2);
+    print(121, 1, "SCORE", 0);
+    print(241, 1, "LINES", 1);
+    print(17, 18, level, 3, 7);
+    print(105, 18, score, 7, 7);
+    print(257, 18, lines, 3, 7);
+    for (int y=0; y<18; y++) for (int x=0; x<10; x++) if (board[y][x] != 0) draw_cube(x, y, board[y][x]-1, 1);
+    draw_tetromino(16, 2, next_piece, 2);
+    draw_tetromino(piece_pos.x, piece_pos.y, current_piece, 1);
+    SDL_RenderPresent(sdlRenderer);
+}
+
+void doMenu() {
+    while(SDL_PollEvent(&sdlEvent)) {
+        if (sdlEvent.type == SDL_QUIT) { should_exit = true; break; }
+        if (sdlEvent.type == SDL_KEYDOWN) {
+            level=score=lines=0;
+            current_piece = starting[rand()%7];
+            next_piece = starting[rand()%7];
+            for (int y=0;y<10;++y) for (int x=0;x<18;++x) board[x][y]=0;
+            piece_pos.x=3; piece_pos.y=0;
+            speed = (20-SDL_min(19, level))*3;
+            state=STATE_GAME;
+        }
+    }
+
+    SDL_SetRenderDrawColor(sdlRenderer, 0, 0, 0, 255);
+    SDL_RenderClear(sdlRenderer);
+    static Uint8 color=0;
+    color++;
+    Uint8 c=color>>4;
+    for (int i=0;i<18;++i) { draw_cube(0,i,c&7,1); draw_cube(9,i,(c++)&7,1); }
+    print(110, 50, "TETRIS", (color>>1)&7);
+    print(90, 100, "TOP SCORES", 1);
+
+    const int numusers = jscore::getNumUsers();
+    for (int i=0;i<10;++i) {
+        if (i<numusers) {
+            print(80, 190+i*24, jscore::getUserName(i).c_str(), 7);
+            print(140, 190+i*24, jscore::getPoints(i), 7, 7);
+        } else {
+            print(80, 190+i*24, "AAA", 7);
+            print(140, 190+i*24, 0, 7, 7);
+        }
+    }
+    if ((color&16)<8) print(60, 500, "PRESS ANY KEY", 0);
+    SDL_RenderPresent(sdlRenderer);
+}
+
+int main(int argc, char* argv[]) {
+    srand(time(NULL));
+    current_piece = starting[rand()%7];
+    next_piece = starting[rand()%7];
+    jscore::initOnlineScore("tetris");
+    SDL_Init(SDL_INIT_EVERYTHING);
+    sdlWindow = SDL_CreateWindow("TETRIS", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, 320, 576, SDL_WINDOW_SHOWN);
+    sdlRenderer = SDL_CreateRenderer(sdlWindow, -1, SDL_RENDERER_PRESENTVSYNC);
+    sdlTexture = SDL_CreateTextureFromSurface(sdlRenderer, SDL_LoadBMP_RW(SDL_RWFromMem(bmp, 448), 1));
+
+    while(!should_exit) {
+        switch (state) {
+            case STATE_MENU:
+                doMenu();
+                break;
+            case STATE_GAME:
+                doGame();
+                break;
+            case STATE_ENNERYORNEIM:
+                break;
+        };
+    }
+
+    SDL_Quit();
+    return 0;
+}
\ No newline at end of file