diff --git a/src/const/game.ts b/src/const/game.ts
index 2c1909c2..210c75b1 100644
--- a/src/const/game.ts
+++ b/src/const/game.ts
@@ -16,7 +16,6 @@ export const ENVIRONMENTS: Record<GamePlatform, GameEnvironment> = {
   [GamePlatform.POKI]: {
     sdk: 'https://game-cdn.poki.com/scripts/v2/poki-sdk.js',
     flags: {
-      [GameFlag.NO_BLOOD]: true,
       [GameFlag.ADS]: true,
       [GameFlag.AUTO_ORIENTATION]: true,
     },
@@ -24,16 +23,21 @@ export const ENVIRONMENTS: Record<GamePlatform, GameEnvironment> = {
   [GamePlatform.CRAZY_GAMES]: {
     sdk: 'https://sdk.crazygames.com/crazygames-sdk-v2.js',
     flags: {
-      [GameFlag.NO_BLOOD]: true,
       [GameFlag.ADS]: true,
+      [GameFlag.COPYRIGHT]: true,
     },
   },
   [GamePlatform.VANILLA]: {
-    flags: {},
+    flags: {
+      [GameFlag.BLOOD]: true,
+      [GameFlag.COPYRIGHT]: true,
+    },
   },
   [GamePlatform.DEVELOPMENT]: {
     flags: {
+      [GameFlag.BLOOD]: true,
       [GameFlag.ADS]: true,
+      [GameFlag.COPYRIGHT]: true,
     },
   },
 };
diff --git a/src/game/scenes/menu/interface/copyright/index.tsx b/src/game/scenes/menu/interface/copyright/index.tsx
index 203c8214..0230b635 100644
--- a/src/game/scenes/menu/interface/copyright/index.tsx
+++ b/src/game/scenes/menu/interface/copyright/index.tsx
@@ -1,19 +1,25 @@
 import React from 'react';
 
 import pkg from '../../../../../../package.json';
+import { Environment } from '~lib/environment';
+import { GameFlag } from '~type/game';
 
 import {
-  Wrapper, Icon, About, Discord, Link, Version,
+  Wrapper, Icon, About, Discord, Author, Link,
 } from './styles';
 
 export const Copyright: React.FC = () => (
   <Wrapper>
     <About>
-      Created by{' '}
-      <Link href={pkg.author.url} target="_blank">
-        {pkg.author.name}
-      </Link>
-      <Version>Version {pkg.version}</Version>
+      {Environment.GetFlag(GameFlag.COPYRIGHT) && (
+        <Author>
+          Created by{' '}
+          <Link href={pkg.author.url} target="_blank">
+            {pkg.author.name}
+          </Link>
+        </Author>
+      )}
+      Version {pkg.version}
     </About>
     <Discord href='https://discord.gg/cnFAdMsRxn' target="_blank">
       <Icon src='assets/discord.png' />
diff --git a/src/game/scenes/menu/interface/copyright/styles.ts b/src/game/scenes/menu/interface/copyright/styles.ts
index 20c9ce91..36a280dc 100644
--- a/src/game/scenes/menu/interface/copyright/styles.ts
+++ b/src/game/scenes/menu/interface/copyright/styles.ts
@@ -27,6 +27,13 @@ export const About = styled.div`
   }
 `;
 
+export const Author = styled.div`
+  margin-bottom: 8px;
+  @media ${INTERFACE_MOBILE_BREAKPOINT} {
+    margin-bottom: 5px;
+  }
+`;
+
 export const Link = styled.a`
   color: #fff;
   pointer-events: all;
@@ -35,13 +42,6 @@ export const Link = styled.a`
   }
 `;
 
-export const Version = styled.div`
-  margin-top: 8px;
-  @media ${INTERFACE_MOBILE_BREAKPOINT} {
-    margin-top: 5px;
-  }
-`;
-
 export const Discord = styled.a`
   margin-top: 10px;
   color: #fff;
diff --git a/src/game/scenes/world/entities/npc/variants/enemy/enemy.ts b/src/game/scenes/world/entities/npc/variants/enemy/enemy.ts
index 1f7f773c..258bd4aa 100644
--- a/src/game/scenes/world/entities/npc/variants/enemy/enemy.ts
+++ b/src/game/scenes/world/entities/npc/variants/enemy/enemy.ts
@@ -285,7 +285,7 @@ export class Enemy extends NPC implements IEnemy {
     if (
       !this.currentBiome?.solid
       || !this.scene.game.isSettingEnabled(GameSettings.EFFECTS)
-      || Environment.GetFlag(GameFlag.NO_BLOOD)
+      || !Environment.GetFlag(GameFlag.BLOOD)
     ) {
       return;
     }
diff --git a/src/game/scenes/world/entities/sprite.ts b/src/game/scenes/world/entities/sprite.ts
index 7bd2dccf..d18faac0 100644
--- a/src/game/scenes/world/entities/sprite.ts
+++ b/src/game/scenes/world/entities/sprite.ts
@@ -349,7 +349,7 @@ export class Sprite extends Phaser.Physics.Arcade.Sprite implements ISprite {
   public onDamage(amount: number) {
     if (
       !this.scene.game.isSettingEnabled(GameSettings.EFFECTS)
-      || Environment.GetFlag(GameFlag.NO_BLOOD)
+      || !Environment.GetFlag(GameFlag.BLOOD)
     ) {
       return;
     }
diff --git a/src/types/game.ts b/src/types/game.ts
index 43813b0f..9cf5db8f 100644
--- a/src/types/game.ts
+++ b/src/types/game.ts
@@ -151,9 +151,10 @@ export enum GameDifficulty {
 }
 
 export enum GameFlag {
-  NO_BLOOD = 'NO_BLOOD',
+  BLOOD = 'BLOOD',
   ADS = 'ADS',
   AUTO_ORIENTATION = 'AUTO_ORIENTATION',
+  COPYRIGHT = 'COPYRIGHT',
 }
 
 export enum GamePlatform {