diff --git a/src/render.c b/src/render.c
index 8bea39a..37107d5 100644
--- a/src/render.c
+++ b/src/render.c
@@ -12,13 +12,12 @@ extern int spr_x[5][6];
 extern int grid[2][18][8];
 extern SDL_Renderer *sr;
 extern SDL_Texture * texture;
-int tile_c;
 extern int tile_pos;
 extern bool next_p;	// next piece flag
 
 int tile_shp, tilesrc_x, tilesrc_y, tiledst_x, tiledst_y;
 int row = 0, col = 0;
-
+int tile_c;
 int last_time, current_time, deltatime, score;
 
 ///////////////// SPRITE SHEET TOP LEFT COORDINATES /////////////////
@@ -42,6 +41,7 @@ SDL_Rect level_back	= {231, 7, 76, 66};
 SDL_Rect level_trim	= {230, 6, 78, 68};
 SDL_Rect next_back	= {257, 86, 18, 37};
 SDL_Rect next_trim	= {256, 85, 20, 39};
+SDL_Rect next_tile	= {260, 88, 12, 11};
 SDL_Rect high_back	= {13, 7, 76, 186};
 SDL_Rect high_trim	= {12, 6, 78, 188};
 SDL_Rect tile_src	= {72, 0, 12, 11};
@@ -87,17 +87,25 @@ return 0;
 
 ///////////////// DISPLAY NEXT PIECE /////////////////
 int Ren_next(void) {
+	tile_shp = 1;							// tile shape
 	if (next_p == 0) {
 	} else {
-		SDL_SetRenderDrawColor(sr, 0xff , 0xff , 0xff, 0xff);
+		SDL_SetRenderDrawColor(sr, 0x00 , 0x00 , 0x00, 0xff);
 		SDL_RenderFillRect(sr, &next_back);			// background
-		SDL_SetRenderDrawColor (sr, 0x00, 0x00, 0x00, 255);
-		SDL_RenderDrawRect(sr, &next_trim);			// trim
 		SDL_RenderDrawLine (sr, 259, 124, 276, 124);		// next shadow
 		SDL_RenderDrawLine (sr, 259, 125, 277, 125);
 		SDL_RenderDrawLine (sr, 276, 124, 276, 89);
 		SDL_RenderDrawLine (sr, 277, 125, 277, 89);
+		SDL_SetRenderDrawColor (sr, 0xff, 0xff, 0xff, 0xff);
+		SDL_RenderDrawRect(sr, &next_trim);			// trim
+		for (int i = 0; i < 3; i++) {
+		tile_src.x = spr_x[tile_shp][tile_next[i] - 1];		// source x position in sprite map depends on tile shape and colour
+		tile_src.y = 0;						// source y position in sprite map = 0
+		tile_dst.x = 260;					// tile destination x position = 260
+		tile_dst.y = 88 + (i * 11);				// add 11 pixels to move to next tile destination y location
+		SDL_RenderCopy(sr, texture, &tile_src, &tile_dst);
 		}
+	}
 	return 0;
 }
 
@@ -120,7 +128,7 @@ int Ren_high(void) {
 ///////////////// DISPLAY LOGO /////////////////
 int Ren_logo(void) {
 	SDL_RenderCopy(sr, texture, &logo_src, &logo_dst);
-	SDL_SetRenderDrawColor (sr, 0x0, 0x0, 0x0, 255);	// shadow
+	SDL_SetRenderDrawColor (sr, 0x0, 0x0, 0x0, 255);		// shadow
 	SDL_RenderDrawLine (sr, 234, 190, 308, 190);
 	SDL_RenderDrawLine (sr, 234, 191, 309, 191);
 	SDL_RenderDrawLine (sr, 308, 190, 308, 140);
@@ -157,7 +165,7 @@ int Ren_info(void) {
 	SDL_RenderFillRect(sr, &main_back);			// background
 	SDL_SetRenderDrawColor (sr, 0xff, 0xff, 0xff, 255);
 	SDL_RenderDrawRect(sr, &main_trim);			// trim
-	for (int z = 0; z < 11; z++) {					// 11 lines of text
+	for (int z = 0; z < 11; z++) {				// 11 lines of text
 		Ren_line(info, infol[z][0], infol[z][1], z * 11, 11, 0);
 	}
 	SDL_RenderPresent (sr);
@@ -168,7 +176,7 @@ int Ren_info(void) {
 int Ren_restart(void) {
 	SDL_SetRenderDrawColor(sr, 0xff , 0xff , 0xff, 0xff);
 	SDL_RenderFillRect(sr, &gameo_back);			// background
-	for (int z = 0; z < 1; z++) {					// 1 line of text
+	for (int z = 0; z < 1; z++) {				// 1 line of text
 		Ren_line(gameo, gameol[z][0], gameol[z][1], z * 9, 9, 1);
 	}
 			SDL_RenderPresent (sr);
@@ -179,7 +187,7 @@ int Ren_restart(void) {
 int Ren_pause(void) {
 	SDL_SetRenderDrawColor(sr, 0xff , 0xff , 0xff, 0xff);
 	SDL_RenderFillRect(sr, &gameo_back);			// background
-	for (int z = 0; z < 1; z++) {					// 1 line of text
+	for (int z = 0; z < 1; z++) {				// 1 line of text
 		Ren_line(pause, pausel[z][0], pausel[z][1], z * 9, 9, 1);
 	}
 		SDL_RenderPresent (sr);
@@ -189,15 +197,15 @@ int Ren_pause(void) {
 ///////////////// DISPLAY MAIN MENU /////////////////
 int Ren_menu(void) {
 	backdrop(colour);
-	Ren_logo();			// logo
-	Ren_level();			// render current level/score
-	Ren_next();			// render next brick/block/piece
-	Ren_high();			// render high scores
+	Ren_logo();						// logo
+	Ren_level();						// render current level/score
+	Ren_next();						// render next brick/block/piece
+	Ren_high();						// render high scores
 	SDL_SetRenderDrawColor(sr, 0x0 , 0x0 , 0x0, 0xff);
 	SDL_RenderFillRect(sr, &main_back);			// background
 	SDL_SetRenderDrawColor (sr, 0xff, 0xff, 0xff, 255);
 	SDL_RenderDrawRect(sr, &main_trim);			// trim
-	for (int z = 0; z < 10; z++) {					// 10 lines of text
+	for (int z = 0; z < 10; z++) {				// 10 lines of text
 		Ren_line(m_menu, m_menul[z][0], m_menul[z][1], z * 11, 11, 0);
 	}
 	SDL_RenderPresent (sr);
@@ -205,75 +213,65 @@ int Ren_menu(void) {
 }
 
 ///////////////// DISPLAY GAME BOARD/////////////////
-int display_grid()
-{
-	tiledst_y = 1;
+int display_grid() {
 	for (int i = 0; i < 18; i++) {
-		tiledst_x = 112;
 		for  (int j = 0; j < 8; j++) {
 			int k = grid[0][i][j];
-			tile_shp = 1; // tile shape
+			tile_shp = 1;							// tile shape
 			tilesrc_y = 0;
 			if (k > 0) {
 				k--;
 				tilesrc_x = spr_x[tile_shp][k];
 				tile_src.x = tilesrc_x;
 				tile_src.y = tilesrc_y;
-				tile_dst.x = tiledst_x;
-				tile_dst.y = tiledst_y;
-				SDL_RenderCopy(sr, texture, &tile_src, &tile_dst);		// draw colour tile
+				tile_dst.x = tiledst_x + 112 + (j * 12);
+				tile_dst.y = tiledst_y + 1 + (i * 11);
+				SDL_RenderCopy(sr, texture, &tile_src, &tile_dst);	// draw colour tile
 			} else {
-				tile_dst.x = tiledst_x;
-				tile_dst.y = tiledst_y;
+				tile_dst.x = tiledst_x + 112 + (j * 12);
+				tile_dst.y = tiledst_y + 1 + (i * 11);
 				SDL_SetRenderDrawColor(sr, 0x0 , 0x0 , 0x0, 0xff);
-				SDL_RenderFillRect(sr, &tile_dst);		// draw empty tile
+				SDL_RenderFillRect(sr, &tile_dst);			// draw empty tile
 			}
-			tiledst_x = tiledst_x + 12;		// next column
 		}
-		tiledst_y = tiledst_y + 11;		// next row
 	}
 	return 0;
 }
 
-
 ///////////////// UPDATE GAME /////////////////
 int Ren_game(void) {
-if (pause_f == true) {
-	Ren_pause();
-	SDL_Delay(40);
-	return 0;
-}
+	if (pause_f == true) {
+		Ren_pause();
+		return 0;
+	}
 	backdrop(colour);
-	Ren_logo();			// logo
-	Ren_level();			// render current level/score
-	Ren_next();			// render next brick/block/piece
-	Ren_high();			// render high scores
+	Ren_logo();						// logo
+	Ren_level();						// render current level/score
+	Ren_next();						// render next brick/block/piece
+	Ren_high();						// render high scores
 	SDL_SetRenderDrawColor(sr, 0x0 , 0x0 , 0x0, 0xff);
 	SDL_RenderFillRect(sr, &main_back);			// background
 	SDL_SetRenderDrawColor (sr, 0xff, 0xff, 0xff, 255);
 	SDL_RenderDrawRect(sr, &main_trim);			// trim
 	display_grid();
 	if(row > 15) {
-	grid[0][15][col] = 0;
-	grid[0][16][col] = 0;
-	grid[0][17][col] = 0;
-	    row = 0;
+		grid[0][15][col] = 0;
+		grid[0][16][col] = 0;
+		grid[0][17][col] = 0;
+		row = 0;
 	}
 
 	for (int i = 0; i < 1; i++) {
-
-  current_time = SDL_GetTicks();
-  deltatime = current_time - last_time;
-
-  if (deltatime > 1000) { // deltatime > 500 - (score * 10)
-
-    last_time = current_time;
-    deltatime = 0;
-		disp_column (row, col);
-	row++;
-		grid[0][row - 2][col] = 0;
+ 		current_time = SDL_GetTicks();
+		deltatime = current_time - last_time;
+		if (deltatime > 500) {				// deltatime > 500 - (score * 10)
+			last_time = current_time;
+			deltatime = 0;
+			disp_column (row, col);
+			row++;
+			grid[0][row - 2][col] = 0;
 		}
-	SDL_RenderPresent (sr);
-	return 0;
-}
+		SDL_RenderPresent (sr);
+		return 0;
+	}
 }