IRON DOMINION

- Destroy enemy artillery.

- Recover supplies.

- Clear an enemy-controlled area.

Each mission should have clear objectives displayed on the HUD.

---

CAMPAIGN MODE

The campaign consists of multiple missions connected through a simple storyline.

The player begins with a basic tank and gradually becomes involved in larger battles.

As missions progress:

- Enemy numbers increase.

- Enemy AI becomes more advanced.

- Battlefields become larger.

- Objectives become more complex.

- Stronger tanks appear.

- New weapons become available.

- New environments are unlocked.

The campaign should provide a sense of progression without requiring an online connection.

---

SINGLE-PLAYER MODE

The main game mode is completely playable offline.

The player can:

- Start a mission.

- Fight AI enemies.

- Complete objectives.

- Earn rewards.

- Upgrade the tank.

- Unlock equipment.

- Continue the campaign.

No multiplayer connection is required for the core single-player experience.

---

TANK UPGRADES

Players earn currency or upgrade points by completing missions.

Upgrades can improve:

- Armor.

- Cannon damage.

- Reload speed.

- Engine power.

- Maximum health.

- Mobility.

- Turret rotation speed.

- Accuracy.

- Ammunition capacity.

- Detection range.

The upgrade system should provide meaningful choices rather than making every tank identical.

---

TANK CUSTOMIZATION

Players can customize their vehicle with:

- Different camouflage patterns.

- Paint variations.

- Decals.

- Tank markings.

- Turret accessories.

- Cosmetic effects.

Customization should primarily be visual and should not be required to progress.

---

HUD

The combat HUD displays important information such as:

- Tank health.

- Ammunition.

- Reload status.

- Current objective.

- Enemy indicators.

- Compass.

- Mini-map.

- Target information.

- Damage warnings.

- Mission progress.

The interface should remain clean so that the battlefield is always visible.

---

CAMERA SYSTEM

The game supports multiple camera perspectives.

Third-Person Camera

The default camera follows the tank from behind.

Tactical Camera

Provides a wider view of the battlefield.

Gunner/Aiming Camera

Allows precise cannon aiming.

Camera transitions should be smooth and responsive.

---

GRAPHICS

The game uses stylized but detailed 3D graphics.

Visual features include:

- Realistic-looking tanks.

- Detailed environments.

- Dynamic lighting.

- Shadows.

- Explosion effects.

- Smoke.

- Dust.

- Fire.

- Projectile effects.

- Destruction effects.

- Weather effects.

The visual style should be optimized for both high-end PCs and mobile devices.

---

WEATHER AND ENVIRONMENT

Battlefields can contain environmental conditions such as:

- Clear weather.

- Dust storms.

- Fog.

- Rain.

- Night battles.

Weather can affect visibility and atmosphere.

Night missions can introduce headlights, searchlights, muzzle flashes, and other lighting effects.

---

AUDIO

The game should feature immersive battlefield audio.

Sound effects include:

- Tank engine sounds.

- Cannon fire.

- Machine guns.

- Explosions.

- Track movement.

- Reloading.

- Environmental sounds.

- Radio communication.

- Warning alarms.

- Damage sounds.