diff --git a/config.go b/config.go
index 221fee7..c210573 100644
--- a/config.go
+++ b/config.go
@@ -39,21 +39,21 @@ func initGameConfig() {
 	defaultConfig = GameConfig{
 		Obstacles: []ObstacleDef{
 			// --- HINDERNISSE ---
-			{ID: "desk", Type: "obstacle", Width: 40, Height: 30, Color: "#8B4513", Image: "desk.png"},
-			{ID: "teacher", Type: "teacher", Width: 30, Height: 60, Color: "#000080", Image: "teacher.png", CanTalk: true, SpeechLines: []string{"Halt!", "Handy weg!"}},
-			{ID: "trashcan", Type: "obstacle", Width: 25, Height: 35, Color: "#555", Image: "trash.png"},
-			{ID: "eraser", Type: "obstacle", Width: 30, Height: 20, Color: "#fff", Image: "eraser.png", YOffset: 45.0},
+			{ID: "desk", Type: "obstacle", Width: 40, Height: 30, Color: "#8B4513", Image: "desk1.png"},
+			{ID: "teacher", Type: "teacher", Width: 30, Height: 60, Color: "#000080", Image: "teacher1.png", CanTalk: true, SpeechLines: []string{"Halt!", "Handy weg!"}},
+			{ID: "trashcan", Type: "obstacle", Width: 25, Height: 35, Color: "#555", Image: "trash1.png"},
+			{ID: "eraser", Type: "obstacle", Width: 30, Height: 20, Color: "#fff", Image: "eraser1.png", YOffset: 45.0},
 
 			// --- BOSS OBJEKTE (Kommen häufiger im Bosskampf) ---
-			{ID: "principal", Type: "teacher", Width: 40, Height: 70, Color: "#000", Image: "principal.png", CanTalk: true, SpeechLines: []string{"EXMATRIKULATION!"}},
+			{ID: "principal", Type: "teacher", Width: 40, Height: 70, Color: "#000", Image: "principal1.png", CanTalk: true, SpeechLines: []string{"EXMATRIKULATION!"}},
 
 			// --- COINS ---
-			{ID: "coin", Type: "coin", Width: 20, Height: 20, Color: "gold", Image: "coin.png", YOffset: 20.0},
+			{ID: "coin", Type: "coin", Width: 20, Height: 20, Color: "gold", Image: "coin1.png", YOffset: 20.0},
 
 			// --- POWERUPS ---
-			{ID: "p_god", Type: "powerup", Width: 30, Height: 30, Color: "cyan", Image: "powerup_god.png", YOffset: 20.0},   // Godmode
-			{ID: "p_bat", Type: "powerup", Width: 30, Height: 30, Color: "red", Image: "powerup_bat.png", YOffset: 20.0},    // Schläger
-			{ID: "p_boot", Type: "powerup", Width: 30, Height: 30, Color: "lime", Image: "powerup_boot.png", YOffset: 20.0}, // Boots
+			{ID: "p_god", Type: "powerup", Width: 30, Height: 30, Color: "cyan", Image: "powerup_god1.png", YOffset: 20.0},   // Godmode
+			{ID: "p_bat", Type: "powerup", Width: 30, Height: 30, Color: "red", Image: "powerup_bat1.png", YOffset: 20.0},    // Schläger
+			{ID: "p_boot", Type: "powerup", Width: 30, Height: 30, Color: "lime", Image: "powerup_boot1.png", YOffset: 20.0}, // Boots
 		},
 		// Mehrere Hintergründe für Level-Wechsel
 		Backgrounds: []string{"gym-background.jpg", "school-background.jpg", "school2-background.jpg"},
diff --git a/simulation.go b/simulation.go
index ebc0ab1..f170cb2 100644
--- a/simulation.go
+++ b/simulation.go
@@ -3,10 +3,13 @@ package main
 import (
 	"encoding/json"
 	"fmt"
+	"log"
+	"math"
 	"strconv"
 )
 
 func simulateChunk(sessionID string, inputs []Input, totalTicks int, vals map[string]string) (bool, int, []ActiveObstacle) {
+
 	posY := parseOr(vals["pos_y"], PlayerYBase)
 	velY := parseOr(vals["vel_y"], 0.0)
 	score := int(parseOr(vals["score"], 0))
@@ -16,6 +19,9 @@ func simulateChunk(sessionID string, inputs []Input, totalTicks int, vals map[st
 	hasBat := vals["p_has_bat"] == "1"
 	bootTicks := int(parseOr(vals["p_boot_ticks"], 0))
 
+	lastJumpDist := parseOr(vals["ac_last_dist"], 0.0)
+	suspicionScore := int(parseOr(vals["ac_suspicion"], 0))
+
 	rng := NewRNG(rngStateVal)
 
 	var obstacles []ActiveObstacle
@@ -25,9 +31,22 @@ func simulateChunk(sessionID string, inputs []Input, totalTicks int, vals map[st
 		obstacles = []ActiveObstacle{}
 	}
 
+	jumpCount := 0
+	for _, inp := range inputs {
+		if inp.Act == "JUMP" {
+			jumpCount++
+		}
+	}
+
+	if jumpCount > 10 {
+		log.Printf("[%s] 🤖 [ANTI-CHEAT] SPAM DETECTED: %d mal JUMP!", sessionID, jumpCount)
+		return true, score, obstacles
+	}
+
 	playerDead := false
 
 	for i := 0; i < totalTicks; i++ {
+
 		currentSpeed := BaseSpeed + (float64(score)/500.0)*0.5
 		if currentSpeed > 12.0 {
 			currentSpeed = 12.0
@@ -53,6 +72,7 @@ func simulateChunk(sessionID string, inputs []Input, totalTicks int, vals map[st
 		}
 
 		isGrounded := posY >= PlayerYBase-1.0
+
 		currentHeight := PlayerHeight
 		if isCrouching {
 			currentHeight = PlayerHeight / 2
@@ -63,10 +83,32 @@ func simulateChunk(sessionID string, inputs []Input, totalTicks int, vals map[st
 
 		if didJump && isGrounded && !isCrouching {
 			velY = currentJumpPower
+
+			nextObsDist := -1.0
+			for _, o := range obstacles {
+				if o.X > 50.0 {
+					nextObsDist = o.X - 50.0
+					break
+				}
+			}
+
+			if nextObsDist > 0 {
+				diff := math.Abs(nextObsDist - lastJumpDist)
+				if diff < 0.5 {
+					suspicionScore++
+					log.Printf("[%s] ⚠️ [ANTI-CHEAT] Verdächtiger Sprung! Diff: %.4f | Suspicion: %d", sessionID, diff, suspicionScore)
+				} else {
+					if suspicionScore > 0 {
+						suspicionScore--
+					}
+				}
+				lastJumpDist = nextObsDist
+			}
 		}
 
 		velY += Gravity
 		posY += velY
+
 		if posY > PlayerYBase {
 			posY = PlayerYBase
 			velY = 0
@@ -87,43 +129,52 @@ func simulateChunk(sessionID string, inputs []Input, totalTicks int, vals map[st
 				continue
 			}
 
-			paddingX := 10.0
-			paddingY_Top := 10.0
+			paddingX := 5.0
+			paddingY_Top := 5.0
 			if obs.Type == "teacher" {
-				paddingY_Top = 25.0
+				paddingY_Top = 5.0
 			}
 
-			pLeft, pRight := 50.0+paddingX, 50.0+30.0-paddingX
-			pTop, pBottom := hitboxY+paddingY_Top, hitboxY+currentHeight-5.0
+			paddingY_Bottom := 5.0
+
+			pLeft, pRight := 50.0+paddingX, 50.0+60.0-paddingX
+			pTop, pBottom := hitboxY+paddingY_Top, hitboxY+currentHeight-paddingY_Bottom
+
 			oLeft, oRight := obs.X+paddingX, obs.X+obs.Width-paddingX
-			oTop, oBottom := obs.Y+paddingY_Top, obs.Y+obs.Height-5.0
+			oTop, oBottom := obs.Y+paddingY_Top, obs.Y+obs.Height-paddingY_Bottom
 
-			isCollision := pRight > oLeft && pLeft < oRight && pBottom > oTop && pTop < oBottom
+			if pRight > oLeft && pLeft < oRight && pBottom > oTop && pTop < oBottom {
 
-			if isCollision {
 				if obs.Type == "coin" {
 					score += 2000
 					continue
 				} else if obs.Type == "powerup" {
 					if obs.ID == "p_god" {
 						godLives = 3
+						log.Printf("[%s] 🛡️ POWERUP: Godmode collected", sessionID)
 					}
 					if obs.ID == "p_bat" {
 						hasBat = true
+						log.Printf("[%s] ⚾ POWERUP: Bat collected", sessionID)
 					}
 					if obs.ID == "p_boot" {
 						bootTicks = 600
+						log.Printf("[%s] 👟 POWERUP: Boots collected", sessionID)
 					}
 					continue
 				} else {
 					if hasBat && obs.Type == "teacher" {
 						hasBat = false
+						log.Printf("[%s] ⚾ BAT SMASH! Lehrer %s zerstört.", sessionID, obs.ID)
 						continue
 					}
 					if godLives > 0 {
 						godLives--
+						log.Printf("[%s] 🛡️ GODMODE schützt! (%d lives left)", sessionID, godLives)
 						continue
 					}
+
+					log.Printf("[%s] 💀 [DEATH] PlayerY: %.1f | Obs: %s @ %.1f", sessionID, hitboxY, obs.ID, obs.X)
 					playerDead = true
 				}
 			}
@@ -136,7 +187,8 @@ func simulateChunk(sessionID string, inputs []Input, totalTicks int, vals map[st
 		obstacles = nextObstacles
 
 		if rightmostX < GameWidth-10.0 {
-			gap := float64(int(400.0 + rng.NextRange(0, 500)))
+			rawGap := 400.0 + rng.NextRange(0, 500)
+			gap := float64(int(rawGap))
 			spawnX := rightmostX + gap
 			if spawnX < GameWidth {
 				spawnX = GameWidth
@@ -195,6 +247,11 @@ func simulateChunk(sessionID string, inputs []Input, totalTicks int, vals map[st
 		}
 	}
 
+	if suspicionScore > 10 {
+		log.Printf("[%s] 🤖 [ANTI-CHEAT] BOT BANNED: %d suspicion", sessionID, suspicionScore)
+		playerDead = true
+	}
+
 	obsJson, _ := json.Marshal(obstacles)
 	batStr := "0"
 	if hasBat {
@@ -210,6 +267,8 @@ func simulateChunk(sessionID string, inputs []Input, totalTicks int, vals map[st
 		"p_god_lives":  godLives,
 		"p_has_bat":    batStr,
 		"p_boot_ticks": bootTicks,
+		"ac_last_dist": fmt.Sprintf("%f", lastJumpDist),
+		"ac_suspicion": suspicionScore,
 	})
 
 	return playerDead, score, obstacles
diff --git a/static/assets/coin.png b/static/assets/coin.png
new file mode 100644
index 0000000..e8edeb8
Binary files /dev/null and b/static/assets/coin.png differ
diff --git a/static/assets/desk.png b/static/assets/desk.png
new file mode 100644
index 0000000..d4fdedf
Binary files /dev/null and b/static/assets/desk.png differ
diff --git a/static/assets/eraser.png b/static/assets/eraser.png
new file mode 100644
index 0000000..3fcc99f
Binary files /dev/null and b/static/assets/eraser.png differ
diff --git a/static/coin.png b/static/coin.png
new file mode 100644
index 0000000..e8edeb8
Binary files /dev/null and b/static/coin.png differ
diff --git a/static/js/logic.js b/static/js/logic.js
index b8a6c8e..53fe64b 100644
--- a/static/js/logic.js
+++ b/static/js/logic.js
@@ -25,7 +25,7 @@ function updateGameLogic() {
     if (player.y + originalHeight >= GROUND_Y) {
         player.y = GROUND_Y - originalHeight; player.vy = 0; player.grounded = true;
     } else { player.grounded = false; }
-    
+
 
     // 3. Obstacles
     let nextObstacles = [];
diff --git a/static/js/render.js b/static/js/render.js
index 860c1aa..1b3421b 100644
--- a/static/js/render.js
+++ b/static/js/render.js
@@ -109,10 +109,12 @@ function drawGame() {
         if(bootTicks > 0) statusText += `👟 ${(bootTicks/60).toFixed(1)}s`;
 
         // Drift Anzeige
+        /*
         if (obstacles.length > 0 && serverObstacles.length > 0) {
             const drift = Math.abs(obstacles[0].x - serverObstacles[0].x).toFixed(1);
             statusText += ` | Drift: ${drift}px`;
         }
+         */
         ctx.fillText(statusText, 10, 40);
     }