diff --git a/leaky-ships/components/BorderTiles.tsx b/leaky-ships/components/BorderTiles.tsx
index df4e7b7..341efbe 100644
--- a/leaky-ships/components/BorderTiles.tsx
+++ b/leaky-ships/components/BorderTiles.tsx
@@ -46,7 +46,7 @@ function BorderTiles({ props: { count, setTarget, setTargetPreviewPos, hits, Dis
                         return;
                     setTargetPreviewPos(e => ({ ...e, shouldShow: false }))
                     setTarget(t => {
-                        if (t.x === x && t.y === y) {
+                        if (t.x === x && t.y === y && t.show) {
                             DispatchHits({ type: 'fireMissle', payload: { hit: (x + y) % 2 !== 0, x, y } });
                             return { show: false, x, y };
                         } else {
diff --git a/leaky-ships/components/Gamefield.tsx b/leaky-ships/components/Gamefield.tsx
index 7c6601b..abea1db 100644
--- a/leaky-ships/components/Gamefield.tsx
+++ b/leaky-ships/components/Gamefield.tsx
@@ -1,12 +1,11 @@
+import { CSSProperties } from 'react';
 // import Bluetooth from './Bluetooth';
 import BorderTiles from './BorderTiles';
 // import FogImages from './FogImages';
 import HitElems from './HitElems';
 import Labeling from './Labeling';
 import Ships from './Ships';
-import Item from './Item';
 import useGameEvent from './useGameEvent';
-import { CSSProperties } from 'react';
 
 function Gamefield() {
 
@@ -19,7 +18,7 @@ function Gamefield() {
         setTargetPreviewPos,
         hits,
         DispatchHits
-    } = useGameEvent();
+    } = useGameEvent(count);
 
     return (
         <div id='gamefield'>
diff --git a/leaky-ships/components/Item.tsx b/leaky-ships/components/Item.tsx
index dcac540..be562dd 100644
--- a/leaky-ships/components/Item.tsx
+++ b/leaky-ships/components/Item.tsx
@@ -1,14 +1,14 @@
 import React from 'react'
 
-function Item({ props: { icon, text, cllFn } }: {
+function Item({ props: { icon, text, callback } }: {
     props: {
         icon: string,
         text: string,
-        cllFn: () => void,
+        callback: () => void
     }
 }) {
     return (
-        <div className='item' onClick={cllFn}>
+        <div className='item' onClick={callback}>
             <img src={`/assets/${icon}.png`} alt={`${icon}.png`} />
             <span>{text}</span>
         </div>
diff --git a/leaky-ships/components/Target.tsx b/leaky-ships/components/Target.tsx
index 2e83f4a..085ad8d 100644
--- a/leaky-ships/components/Target.tsx
+++ b/leaky-ships/components/Target.tsx
@@ -1,10 +1,11 @@
 import { faCrosshairs } from '@fortawesome/free-solid-svg-icons';
 import { FontAwesomeIcon } from '@fortawesome/react-fontawesome';
 import { CSSProperties } from 'react';
+import classNames from 'classnames';
 
-function Target({ preview, target: { x, y, show } }: { preview?: boolean, target: { x: number, y: number, show: boolean } }) {
+function Target({ props: { preview, type, edges }, target: { x, y, show } }: { props: { preview?: boolean, type: string, edges: string[] }, target: { x: number, y: number, show: boolean } }) {
     return (
-        <div className={`hit-svg target${preview ? '-preview' : ''} ${show ? 'show' : ''}`} style={{ '--x': x, '--y': y } as CSSProperties}>
+        <div className={classNames('hit-svg', preview ? 'target-preview' : 'target', type, { show: show }, ...edges)} style={{ '--x': x, '--y': y } as CSSProperties}>
             <FontAwesomeIcon icon={faCrosshairs} />
         </div>
     )
diff --git a/leaky-ships/components/useGameEvent.tsx b/leaky-ships/components/useGameEvent.tsx
index 15a67a3..2c05269 100644
--- a/leaky-ships/components/useGameEvent.tsx
+++ b/leaky-ships/components/useGameEvent.tsx
@@ -1,10 +1,10 @@
-import { useEffect, useMemo, useReducer, useState } from 'react';
+import { useCallback, useEffect, useMemo, useReducer, useState } from 'react';
 import { hitReducer, initlialLastLeftTile, initlialTarget, initlialTargetPreview, initlialTargetPreviewPos, isHit } from '../helpers';
 import { HitType, LastLeftTileType, TargetPreviewPosType, TargetPreviewType, TargetType } from '../interfaces';
 import Item from './Item';
 import Target from './Target';
 
-function useGameEvent() {
+function useGameEvent(count: number) {
     const [lastLeftTile, setLastLeftTile] = useState<LastLeftTileType>(initlialLastLeftTile);
     const [target, setTarget] = useState<TargetType>(initlialTarget);
     const [eventReady, setEventReady] = useState(false);
@@ -12,20 +12,118 @@ function useGameEvent() {
     const [targetPreview, setTargetPreview] = useState<TargetPreviewType>(initlialTargetPreview);
     const [targetPreviewPos, setTargetPreviewPos] = useState<TargetPreviewPosType>(initlialTargetPreviewPos);
     const [hits, DispatchHits] = useReducer(hitReducer, [] as HitType[]);
+    const [mode, setMode] = useState<keyof typeof modes>('none')
+    const [targetList, setTargetList] = useState<{
+        show: boolean;
+        x: number;
+        y: number;
+        edges: string[];
+    }[]>([])
+    const [targetPreviewList, setTargetPreviewList] = useState<{
+        show: boolean;
+        x: number;
+        y: number;
+        edges: string[];
+    }[]>([])
+
+    const modes = useMemo(() => ({
+        none: { xEnable: true, yEnable: true, type: 'none' },
+        radar: { xEnable: true, yEnable: true, type: 'radar' },
+        hTorpedo: { xEnable: true, yEnable: false, type: 'torpedo' },
+        vTorpedo: { xEnable: false, yEnable: true, type: 'torpedo' },
+        missle: { xEnable: false, yEnable: false, type: 'missle' }
+    }), [])
+
+    function modXY<T>(e: { show: boolean, x: number, y: number }, mod: { x: number, y: number, edges: string[] }) {
+        return { show: e.show, x: e.x + (mod.x ?? 0), y: e.y + (mod.y ?? 0), edges: mod.edges }
+    }
+
+    const isSet = useCallback((x: number, y: number) => targetList.filter(target => x === target.x && y === target.y).length && target.show, [targetList, target])
+
+    const scopeGrid = useMemo(() => {
+        const { xEnable, yEnable, type } = modes[mode]
+        const matrix: { x: number, y: number, edges: string[] }[][] = []
+        let y = 0
+        let x = 0
+        const yLength = (yEnable ? 2 : 0)
+        const xLength = (xEnable ? 2 : 0)
+        for (let i = 0; i <= yLength; i++) {
+            for (let i2 = 0; i2 <= xLength; i2++) {
+                y = i + (yEnable ? -1 : 0);
+                x = i2 + (xEnable ? -1 : 0);
+
+                (matrix[i] ??= [])[i2] = {
+                    x,
+                    y,
+                    edges: [
+                        i2 === 0 ? 'left' : '',
+                        i2 === xLength ? 'right' : '',
+                        i === 0 ? 'top' : '',
+                        i === yLength ? 'bottom' : '',
+                    ]
+                }
+            }
+        }
+        const fields = matrix.reduce((prev, curr) => [...prev, ...curr], [])
+        return { fields, type }
+    }, [modes, mode])
+
+    const Targets = useCallback((targets: { show: boolean, x: number, y: number, edges: string[] }[], preview?: boolean) => {
+        const { type } = scopeGrid
+        return targets.map(({ edges, ...target }, i) => <Target key={i} props={{ type, preview, edges }} target={target} />)
+    }, [scopeGrid, mode])
+
+    useEffect(() => {
+        const { fields } = scopeGrid
+        const result = fields.map(e => modXY(target, e))
+            .filter(({ x, y }) => {
+                const border = [
+                    x < 2,
+                    x > count,
+                    y < 2,
+                    y > count,
+                ].reduce((prev, curr) => prev || curr, false)
+                // console.log(!isHit(hits, x, y).length, !borders)
+                return !isHit(hits, x, y).length && !border
+            })
+        setTargetList(e => {
+            if (JSON.stringify(e) === JSON.stringify(result))
+                return e
+            return result
+        })
+    }, [scopeGrid, target, count, hits]);
+
+    useEffect(() => {
+        const { fields } = scopeGrid
+        const result = fields.map(e => modXY(targetPreview, e))
+            .filter(({ x, y }) => {
+                const border = [
+                    x < 2,
+                    x > count + 1,
+                    y < 2,
+                    y > count + 1,
+                ].reduce((prev, curr) => prev || curr, false)
+                // console.log(!isHit(hits, x, y).length, !isSet(x, y), !borders)
+                return !isHit(hits, x, y).length && !isSet(x, y) && !border
+            })
+        setTargetPreviewList(e => {
+            if (JSON.stringify(e) === JSON.stringify(result))
+                return e
+            return result
+        })
+    }, [scopeGrid, targetPreview, count, hits, isSet]);
 
     // handle visibility and position change of targetPreview
     useEffect(() => {
         const { show, x, y } = targetPreview;
-        const { shouldShow } = targetPreviewPos;
         // if mouse has moved too quickly and last event was entering and leaving the same field, it must have gone outside the grid
         const hasLeft = x === lastLeftTile.x && y === lastLeftTile.y
-        const isSet = x === target.x && y === target.y
 
         if (show && !appearOK)
             setTargetPreview(e => ({ ...e, show: false }));
-        if (!show && shouldShow && eventReady && appearOK && !isHit(hits, x, y).length && !hasLeft && !isSet)
+        if (!show && targetPreviewPos.shouldShow && eventReady && appearOK && !isHit(hits, x, y).length && !hasLeft)
             setTargetPreview(e => ({ ...e, show: true }));
-    }, [targetPreview, hits, eventReady, appearOK, lastLeftTile])
+    }, [targetPreview, targetPreviewPos.shouldShow, hits, eventReady, appearOK, lastLeftTile])
 
     // enable targetPreview event again after 200 mil. sec.
     useEffect(() => {
@@ -37,7 +135,7 @@ function useGameEvent() {
             setTargetPreview(e => ({ ...e, x: newX, y: newY }));
             setEventReady(true);
             setAppearOK(true);
-        }, 250);
+        }, 300);
 
         // or abort if state has changed early
         return () => {
@@ -58,27 +156,27 @@ function useGameEvent() {
         }
     }, [targetPreview.show]);
 
-    const items = [
-        { icon: 'burger-menu', text: 'Menu', cllFn: () => { } },
-        { icon: 'radar', text: 'Radar scan', cllFn: () => { } },
-        { icon: 'missle', text: 'Fire torpedo', cllFn: () => { } },
-        { icon: 'scope', text: 'Fire missle', cllFn: () => { } },
-        { icon: 'gear', text: 'Settings', cllFn: () => { } }
-    ]
-
-    const targets = useMemo(() =>
-        <>
-            <Target target={target} />
-            <Target preview={true} target={targetPreview} />
-        </>, [target, targetPreview])
-
-    const eventBar = useMemo(() =>
-        <div className='event-bar'>
-            {items.map((e, i) => (
-                <Item key={i} props={e} />
-            ))}
-        </div>, [items])
+    const targets = useMemo(() => <>
+        {Targets(targetPreviewList, true)}
+        {Targets(targetList)}
+    </>, [Targets, targetList, targetPreviewList])
 
+    const eventBar = useMemo(() => {
+        const items = [
+            { icon: 'burger-menu', text: 'Menu' },
+            { icon: 'radar', text: 'Radar scan', type: 'radar' },
+            { icon: 'missle', text: 'Fire torpedo', type: 'hTorpedo' },
+            { icon: 'scope', text: 'Fire missle', type: 'missle' },
+            { icon: 'gear', text: 'Settings' }
+        ]
+        return (
+            <div className='event-bar'>
+                {items.map((e, i) => (
+                    <Item key={i} props={{ ...e, callback: () => { setMode(e.type as any); setTarget(e => ({ ...e, show: false })) } }} />
+                ))}
+            </div>
+        )
+    }, [])
     return {
         targets,
         eventBar,
diff --git a/leaky-ships/package-lock.json b/leaky-ships/package-lock.json
index b9054dc..00f43bd 100644
--- a/leaky-ships/package-lock.json
+++ b/leaky-ships/package-lock.json
@@ -16,6 +16,7 @@
         "@types/node": "18.11.18",
         "@types/react": "18.0.26",
         "@types/react-dom": "18.0.10",
+        "classnames": "^2.3.2",
         "eslint": "8.31.0",
         "eslint-config-next": "13.1.1",
         "next": "13.1.1",
@@ -889,6 +890,11 @@
         "node": ">= 6"
       }
     },
+    "node_modules/classnames": {
+      "version": "2.3.2",
+      "resolved": "https://registry.npmjs.org/classnames/-/classnames-2.3.2.tgz",
+      "integrity": "sha512-CSbhY4cFEJRe6/GQzIk5qXZ4Jeg5pcsP7b5peFSDpffpe1cqjASH/n9UTjBwOp6XpMSTwQ8Za2K5V02ueA7Tmw=="
+    },
     "node_modules/client-only": {
       "version": "0.0.1",
       "resolved": "https://registry.npmjs.org/client-only/-/client-only-0.0.1.tgz",
@@ -4008,6 +4014,11 @@
         }
       }
     },
+    "classnames": {
+      "version": "2.3.2",
+      "resolved": "https://registry.npmjs.org/classnames/-/classnames-2.3.2.tgz",
+      "integrity": "sha512-CSbhY4cFEJRe6/GQzIk5qXZ4Jeg5pcsP7b5peFSDpffpe1cqjASH/n9UTjBwOp6XpMSTwQ8Za2K5V02ueA7Tmw=="
+    },
     "client-only": {
       "version": "0.0.1",
       "resolved": "https://registry.npmjs.org/client-only/-/client-only-0.0.1.tgz",
diff --git a/leaky-ships/package.json b/leaky-ships/package.json
index 9c9ef1c..539f794 100644
--- a/leaky-ships/package.json
+++ b/leaky-ships/package.json
@@ -17,6 +17,7 @@
     "@types/node": "18.11.18",
     "@types/react": "18.0.26",
     "@types/react-dom": "18.0.10",
+    "classnames": "^2.3.2",
     "eslint": "8.31.0",
     "eslint-config-next": "13.1.1",
     "next": "13.1.1",
diff --git a/leaky-ships/styles/App.scss b/leaky-ships/styles/App.scss
index 5e36fce..73b72ee 100644
--- a/leaky-ships/styles/App.scss
+++ b/leaky-ships/styles/App.scss
@@ -154,14 +154,16 @@ body {
         color: red;
       }
     }
-
+    
     &.target {
-      color: red;
+      --color: red;
+      color: var(--color);
       opacity: 0;
     }
 
     &.target-preview {
-      color: orange;
+      --color: orange;
+      color: var(--color);
       opacity: 0;
       @include transition(.5s);
     }
@@ -169,6 +171,38 @@ body {
     &.show {
       opacity: 1;
     }
+
+    &.left {
+      border-left: 2px solid var(--color);
+    }
+
+    &.right {
+      border-right: 2px solid var(--color);
+    }
+
+    &.top {
+      border-top: 2px solid var(--color);
+    }
+
+    &.bottom {
+      border-bottom: 2px solid var(--color);
+    }
+
+    &.left.top {
+      border-top-left-radius: 8px;
+    }
+
+    &.right.top {
+      border-top-right-radius: 8px;
+    }
+
+    &.left.bottom {
+      border-bottom-left-radius: 8px;
+    }
+
+    &.right.bottom {
+      border-bottom-right-radius: 8px;
+    }
   }
 
   .r2 {