diff --git a/README.md b/README.md
index 10b1ede..9c5d289 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,10 @@
 # 🚀 p5.js-templates
 
 p5.js templates for ID311 Software Prototyping.
+
+This is pangame of nintendo chracters.
+
+all sprites came from https://www.spriters-resource.com/nintendo_switch/K.html
+
+and I cut the sprite in https://www.piskelapp.com/p/create/sprite
+
diff --git a/assets/Mario-Background.png b/assets/Mario-Background.png
new file mode 100644
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diff --git a/assets/Mario-Character+Item.png b/assets/Mario-Character+Item.png
new file mode 100644
index 0000000..d2addc5
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diff --git a/assets/Mario-Enemy.png b/assets/Mario-Enemy.png
new file mode 100644
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diff --git a/assets/Mario-Tileset.png b/assets/Mario-Tileset.png
new file mode 100644
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diff --git a/sketch.js b/sketch.js
index 479397c..db90eac 100644
--- a/sketch.js
+++ b/sketch.js
@@ -1,13 +1,30 @@
-// Single-sketch example
+let player;
+let gravity = 0.8;
+let projectiles = [];
+let bombs = [];
+let groundY = 500;
+let keys = {};
+let powerUps = [];
+let deathZoneY = 600;
 
-function setup (){
-  createCanvas (800, 600);
+let spriteSheets = {};
+
+function preload() {
+  // 여기에 sprite들을 preload (ex: mario = loadImage("..."))
+  spriteSheets.backgorunds= loadImage("assets/Mario-Background.png");
+  spriteSheets.characters = loadImage("assets/Mario-Character+Item.png");
+  spriteSheets.specialweapon = loadImage("assets/Mario-Enemy.png");
+  spriteSheets.tileset = loadImage("assets/Mario-Tileset.png");
 }
 
-function draw(){
-  background(100);
-  fill(255);
-  noStroke();
-  rectMode(CENTER);
-  rect(mouseX, mouseY, 50, 50);
+function setup() {
+  createCanvas(800, 600);
+}
+
+function draw() {
+  background(135, 206, 235); // sky blue
+
+  // 임시 바닥
+  fill(100);
+  rect(0, groundY, width, 100);
 }