diff --git a/src/client/graphics/layers/ControlPanel.ts b/src/client/graphics/layers/ControlPanel.ts
index 4e2955700..9bd4a4da2 100644
--- a/src/client/graphics/layers/ControlPanel.ts
+++ b/src/client/graphics/layers/ControlPanel.ts
@@ -10,10 +10,10 @@ import { SendSetTargetTroopRatioEvent } from '../../Transport';
 
 @customElement('control-panel')
 export class ControlPanel extends LitElement implements Layer {
-    private game: Game
-    public clientID: ClientID
-    public eventBus: EventBus
-    public uiState: UIState
+    private game: Game;
+    public clientID: ClientID;
+    public eventBus: EventBus;
+    public uiState: UIState;
 
     @state()
     private attackRatio: number = .2;
@@ -21,6 +21,9 @@ export class ControlPanel extends LitElement implements Layer {
     @state()
     private targetTroopRatio = 1;
 
+    @state()
+    private currentTroopRatio = 1;
+
     @state()
     private _population: number;
 
@@ -43,40 +46,42 @@ export class ControlPanel extends LitElement implements Layer {
     private _manpower: number = 0;
 
     @state()
-    private _gold: number
-
+    private _gold: number;
 
     @state()
-    private _goldPerSecond: number
+    private _goldPerSecond: number;
 
     init(game: Game) {
         this.game = game;
-        this.attackRatio = .20
-        this.uiState.attackRatio = this.attackRatio
+        this.attackRatio = .20;
+        this.uiState.attackRatio = this.attackRatio;
+        this.currentTroopRatio = this.targetTroopRatio;
     }
 
     tick() {
-        // Update game state based on numTroops value if needed
         if (!this._isVisible && !this.game.inSpawnPhase()) {
-            this.toggleVisibility();
+            this.setVisibile(true);
         }
 
-        const player = this.game.playerByClientID(this.clientID)
-        if (player == null) {
-            this._isVisible = false
-            return
+        const player = this.game.playerByClientID(this.clientID);
+        if (player == null || !player.isAlive()) {
+            this.setVisibile(false);
+            return;
         }
-        this._population = player.population()
-        this._maxPopulation = this.game.config().maxPopulation(player)
-        this._gold = player.gold()
-        this._troops = player.troops()
-        this._workers = player.workers()
-        this.popRate = this.game.config().populationIncreaseRate(player) * 10
-        this._goldPerSecond = this.game.config().goldAdditionRate(player) * 10
+
+        this._population = player.population();
+        this._maxPopulation = this.game.config().maxPopulation(player);
+        this._gold = player.gold();
+        this._troops = player.troops();
+        this._workers = player.workers();
+        this.popRate = this.game.config().populationIncreaseRate(player) * 10;
+        this._goldPerSecond = this.game.config().goldAdditionRate(player) * 10;
+
+        this.currentTroopRatio = player.troops() / player.population();
     }
 
     onAttackRatioChange(newRatio: number) {
-        this.uiState.attackRatio = newRatio
+        this.uiState.attackRatio = newRatio;
     }
 
     renderLayer(context: CanvasRenderingContext2D) {
@@ -87,32 +92,29 @@ export class ControlPanel extends LitElement implements Layer {
         return false;
     }
 
-    toggleVisibility() {
-        this._isVisible = !this._isVisible;
+    setVisibile(visible: boolean) {
+        this._isVisible = visible;
         this.requestUpdate();
     }
 
     targetTroops(): number {
-        return this._manpower * this.targetTroopRatio
+        return this._manpower * this.targetTroopRatio;
     }
 
     onTroopChange(newRatio: number) {
-        this.eventBus.emit(new SendSetTargetTroopRatioEvent(newRatio))
+        this.eventBus.emit(new SendSetTargetTroopRatioEvent(newRatio));
     }
 
     delta(): number {
-        const d = this._population - this.targetTroops()
-        // if (Math.abs(d) < this._manpower / 200) {
-        //     return 0
-        // }
-        return d
+        const d = this._population - this.targetTroops();
+        return d;
     }
 
-
     static styles = css`
         :host {
             display: block;
         }
+        
         .control-panel {
             position: fixed;
             bottom: 10px;
@@ -126,13 +128,62 @@ export class ControlPanel extends LitElement implements Layer {
             backdrop-filter: blur(5px);
             transition: opacity 0.3s ease-in-out, visibility 0.3s ease-in-out;
         }
+        
         .hidden {
             opacity: 0;
             visibility: hidden;
         }
+        
         .slider-container {
+            position: relative;
             margin-bottom: 15px;
+            height: 48px;
         }
+        
+        .slider-track {
+            position: absolute;
+            width: 100%;
+            height: 8px;
+            background: rgba(255, 255, 255, 0.2);
+            border-radius: 4px;
+            top: 20px;
+        }
+        
+        .slider-fill {
+            position: absolute;
+            height: 8px;
+            background: rgba(0, 150, 255, 0.6);
+            border-radius: 4px;
+            top: 20px;
+            transition: width 0.3s ease-out;
+        }
+        
+        .slider-thumb {
+            position: absolute;
+            width: 16px;
+            height: 16px;
+            background: white;
+            border: 2px solid rgb(0, 150, 255);
+            border-radius: 50%;
+            top: 16px;
+            transform: translateX(-50%);
+            cursor: pointer;
+            transition: transform 0.1s ease;
+        }
+        
+        .slider-thumb:hover {
+            transform: translateX(-50%) scale(1.1);
+        }
+        
+        input[type="range"] {
+            position: absolute;
+            width: 100%;
+            top: 12px;
+            margin: 0;
+            opacity: 0;
+            cursor: pointer;
+        }
+        
         .control-panel-info {
             color: white;
             margin-bottom: 15px;
@@ -140,26 +191,77 @@ export class ControlPanel extends LitElement implements Layer {
             background-color: rgba(0, 0, 0, 0.3);
             border-radius: 5px;
         }
+        
         .info-row {
             display: flex;
             justify-content: space-between;
             margin-bottom: 5px;
         }
+        
         .info-label {
             font-weight: bold;
         }
+        
         label {
             display: block;
             color: white;
             margin-bottom: 5px;
         }
-        input[type="range"] {
-            width: 100%;
-        }
+        
         .slider-value {
             color: white;
             text-align: right;
         }
+        
+        .attack-slider {
+            position: relative;
+            margin-bottom: 15px;
+            height: 48px;
+        }
+        
+        .attack-slider .slider-track {
+            position: absolute;
+            width: 100%;
+            height: 8px;
+            background: rgba(255, 255, 255, 0.2);
+            border-radius: 4px;
+            top: 20px;
+        }
+        
+        .attack-slider .slider-fill {
+            position: absolute;
+            height: 8px;
+            background: rgba(255, 0, 0, 0.6);
+            border-radius: 4px;
+            top: 20px;
+            transition: width 0.3s ease-out;
+        }
+        
+        .attack-slider .slider-thumb {
+            position: absolute;
+            width: 16px;
+            height: 16px;
+            background: white;
+            border: 2px solid rgb(255, 0, 0);
+            border-radius: 50%;
+            top: 16px;
+            transform: translateX(-50%);
+            cursor: pointer;
+            transition: transform 0.1s ease;
+        }
+        
+        .attack-slider .slider-thumb:hover {
+            transform: translateX(-50%) scale(1.1);
+        }
+        
+        .attack-slider input[type="range"] {
+            position: absolute;
+            width: 100%;
+            top: 12px;
+            margin: 0;
+            opacity: 0;
+            cursor: pointer;
+        }
     `;
 
     render() {
@@ -183,21 +285,39 @@ export class ControlPanel extends LitElement implements Layer {
                         <span>${renderNumber(this._goldPerSecond)}</span>
                     </div>
                 </div>
+                
                 <div class="slider-container">
-                    <label for="numTroops">Troops: ${renderTroops(this._troops)}   |   Workers: ${renderTroops(this._workers)}</label>
-                    <input type="range" id="numTroops" min="1" max="10" .value=${this.targetTroopRatio * 10}
-                           @input=${(e: Event) => {
-                this.targetTroopRatio = parseInt((e.target as HTMLInputElement).value) / 10;
+                    <label>Troops: ${renderTroops(this._troops)} | Workers: ${renderTroops(this._workers)}</label>
+                    <div class="slider-track"></div>
+                    <div class="slider-fill" style="width: ${this.currentTroopRatio * 100}%"></div>
+                    <div class="slider-thumb" style="left: ${this.targetTroopRatio * 100}%"></div>
+                    <input 
+                        type="range" 
+                        min="1" 
+                        max="100" 
+                        .value=${this.targetTroopRatio * 100}
+                        @input=${(e: Event) => {
+                this.targetTroopRatio = parseInt((e.target as HTMLInputElement).value) / 100;
                 this.onTroopChange(this.targetTroopRatio);
-            }}>
+            }}
+                    >
                 </div>
-               <div class="slider-container">
-                    <label for="numTroops">Attack Ratio: ${this.attackRatio * 100}%</label>
-                    <input type="range" id="numTroops" min="1" max="10" value=${this.attackRatio * 10}
-                           @input=${(e: Event) => {
-                this.attackRatio = parseInt((e.target as HTMLInputElement).value) / 10;
+                
+                <div class="attack-slider">
+                    <label>Attack Ratio: ${(this.attackRatio * 100).toFixed(0)}%</label>
+                    <div class="slider-track"></div>
+                    <div class="slider-fill" style="width: ${this.attackRatio * 100}%"></div>
+                    <div class="slider-thumb" style="left: ${this.attackRatio * 100}%"></div>
+                    <input 
+                        type="range" 
+                        min="1" 
+                        max="100"
+                        .value=${this.attackRatio * 100}
+                        @input=${(e: Event) => {
+                this.attackRatio = parseInt((e.target as HTMLInputElement).value) / 100;
                 this.onAttackRatioChange(this.attackRatio);
-            }}>
+            }}
+                    >
                 </div>
             </div>
         `;
diff --git a/src/client/graphics/layers/radial/BuildMenu.ts b/src/client/graphics/layers/radial/BuildMenu.ts
index 7d06b6483..6d42f920b 100644
--- a/src/client/graphics/layers/radial/BuildMenu.ts
+++ b/src/client/graphics/layers/radial/BuildMenu.ts
@@ -1,22 +1,20 @@
 import { LitElement, html, css } from 'lit';
 import { customElement, state } from 'lit/decorators.js';
 import { EventBus } from '../../../../core/EventBus';
-import { Cell, Game, Player } from '../../../../core/game/Game';
+import { Cell, Game, Item, Items, Player } from '../../../../core/game/Game';
 import { SendNukeIntentEvent } from '../../../Transport';
 import nukeIcon from '../../../../../resources/images/NukeIconWhite.svg';
 import goldCoinIcon from '../../../../../resources/images/GoldCoinIcon.svg';
 import { renderNumber } from '../../Utils';
 
 interface BuildItem {
-    id: string;
-    name: string;
+    item: Item
     icon: string;
-    cost: number;
 }
 
 const buildTable: BuildItem[][] = [
     [
-        { id: 'nuke', name: 'Nuke', icon: nukeIcon, cost: 1_000_000 },
+        { item: Items.Nuke, icon: nukeIcon },
         // { id: 'battleship', name: 'Battleship', icon: '🚢', cost: 500, buildTime: 20 }
     ]
 ];
@@ -24,11 +22,10 @@ const buildTable: BuildItem[][] = [
 @customElement('build-menu')
 export class BuildMenu extends LitElement {
     public game: Game;
-    public eventBus: EventBus
+    public eventBus: EventBus;
 
-
-    private myPlayer: Player
-    private clickedCell: Cell
+    private myPlayer: Player;
+    private clickedCell: Cell;
 
     static styles = css`
         :host {
@@ -72,15 +69,27 @@ export class BuildMenu extends LitElement {
             margin: 8px;
             padding: 10px;
         }
-        .build-button:hover {
+        .build-button:not(:disabled):hover {
             background-color: #3A3A3A;
             transform: scale(1.05);
             border-color: #666;
         }
-        .build-button:active {
+        .build-button:not(:disabled):active {
             background-color: #4A4A4A;
             transform: scale(0.95);
         }
+        .build-button:disabled {
+            background-color: #1A1A1A;
+            border-color: #333;
+            cursor: not-allowed;
+            opacity: 0.7;
+        }
+        .build-button:disabled img {
+            opacity: 0.5;
+        }
+        .build-button:disabled .build-cost {
+            color: #FF4444;
+        }
         .build-icon {
             font-size: 40px;
             margin-bottom: 5px;
@@ -128,6 +137,10 @@ export class BuildMenu extends LitElement {
     @state()
     private _hidden = true;
 
+    private canAfford(item: BuildItem): boolean {
+        return this.myPlayer && this.myPlayer.gold() >= item.item.cost;
+    }
+
     public onBuildSelected: (item: BuildItem) => void = () => {
         this.eventBus.emit(new SendNukeIntentEvent(this.myPlayer, this.clickedCell, null))
         this.hideMenu()
@@ -139,11 +152,16 @@ export class BuildMenu extends LitElement {
                 ${buildTable.map(row => html`
                     <div class="build-row">
                         ${row.map(item => html`
-                       <button class="build-button" @click=${() => this.onBuildSelected(item)}>
-                            <img src=${item.icon} alt="${item.name}" width="40" height="40">
-                            <span class="build-name">${item.name}</span>
+                       <button 
+                           class="build-button" 
+                           @click=${() => this.onBuildSelected(item)}
+                           ?disabled=${!this.canAfford(item)}
+                           title=${!this.canAfford(item) ? 'Not enough money' : ''}
+                       >
+                            <img src=${item.icon} alt="${item.item.name}" width="40" height="40">
+                            <span class="build-name">${item.item.name}</span>
                             <span class="build-cost">
-                                ${renderNumber(item.cost)}
+                                ${renderNumber(item.item.cost)}
                                 <img src=${goldCoinIcon} alt="gold" width="12" height="12" style="vertical-align: middle;">
                             </span>
                         </button> 
@@ -160,8 +178,8 @@ export class BuildMenu extends LitElement {
     }
 
     showMenu(player: Player, clickedCell: Cell) {
-        this.myPlayer = player
-        this.clickedCell = clickedCell
+        this.myPlayer = player;
+        this.clickedCell = clickedCell;
         this._hidden = false;
         this.requestUpdate();
     }
diff --git a/src/core/configuration/DefaultConfig.ts b/src/core/configuration/DefaultConfig.ts
index ceef2e7d4..332e4a534 100644
--- a/src/core/configuration/DefaultConfig.ts
+++ b/src/core/configuration/DefaultConfig.ts
@@ -163,7 +163,7 @@ export class DefaultConfig implements Config {
     }
 
     troopAdjustmentRate(player: Player): number {
-        const maxDiff = this.maxPopulation(player) / 300
+        const maxDiff = this.maxPopulation(player) / 1000
         const target = player.population() * player.targetTroopRatio()
         const diff = target - player.troops()
         if (Math.abs(diff) < maxDiff) {
diff --git a/src/core/configuration/DevConfig.ts b/src/core/configuration/DevConfig.ts
index 251d1178e..133237fdc 100644
--- a/src/core/configuration/DevConfig.ts
+++ b/src/core/configuration/DevConfig.ts
@@ -6,7 +6,7 @@ export const devConfig = new class extends DefaultConfig {
         return 95
     }
     numSpawnPhaseTurns(): number {
-        return 40
+        return 20
     }
     gameCreationRate(): number {
         return 20 * 1000
diff --git a/src/core/execution/AttackExecution.ts b/src/core/execution/AttackExecution.ts
index 7608b7732..a1f059f34 100644
--- a/src/core/execution/AttackExecution.ts
+++ b/src/core/execution/AttackExecution.ts
@@ -2,7 +2,6 @@ import { PriorityQueue } from "@datastructures-js/priority-queue";
 import { Cell, Execution, MutableGame, MutablePlayer, Player, PlayerID, TerrainType, TerraNullius, Tile } from "../game/Game";
 import { PseudoRandom } from "../PseudoRandom";
 import { manhattanDist } from "../Util";
-import { Terrain } from "../game/TerrainMapLoader";
 
 export class AttackExecution implements Execution {
     private breakAlliance = false
diff --git a/src/core/execution/NukeExecution.ts b/src/core/execution/NukeExecution.ts
index d135a4a33..7b004159a 100644
--- a/src/core/execution/NukeExecution.ts
+++ b/src/core/execution/NukeExecution.ts
@@ -1,4 +1,4 @@
-import { Cell, Execution, MutableGame, MutablePlayer, PlayerID, Tile } from "../game/Game";
+import { Cell, Execution, Items, MutableGame, MutablePlayer, PlayerID, Tile } from "../game/Game";
 import { PseudoRandom } from "../PseudoRandom";
 import { bfs, dist, euclideanDist, manhattanDist } from "../Util";
 
@@ -26,6 +26,13 @@ export class NukeExecution implements Execution {
     }
 
     tick(ticks: number): void {
+        if (this.sender.gold() < Items.Nuke.cost) {
+            console.warn(`player ${this.sender} insufficient gold for nuke`)
+            this.active = false
+            return
+        }
+        this.sender.removeGold(Items.Nuke.cost)
+
         const rand = new PseudoRandom(this.mg.ticks())
         const tile = this.mg.tile(this.cell)
         const toDestroy = bfs(tile, (n: Tile) => {
diff --git a/src/core/game/Game.ts b/src/core/game/Game.ts
index 47b7759e1..ddfae6680 100644
--- a/src/core/game/Game.ts
+++ b/src/core/game/Game.ts
@@ -25,6 +25,14 @@ export enum GameMap {
     Mena
 }
 
+export class Item {
+    constructor(public readonly name: string, public readonly cost: Gold) { }
+}
+
+export const Items = {
+    Nuke: new Item("Nuke", 1_000_000),
+} as const;
+
 export class Nation {
     constructor(
         public readonly name: string,