Made with Nano Banana 2 Lite · CC0 · 2 Oct 2026

The start

Generated from: a scene from a small video game about: Create a massive, highly detailed, realistic open-world 3D action-adventure game inspired by the freedom and scale of modern AAA open-world games, while using 100% original characters, locations, story, assets, vehicles, UI, music, and branding. The goal is to create a living, believable world where almost everything feels physically and logically connected. 1. MASSIVE OPEN WORLD Create a very large seamless map containing: - A huge modern metropolitan city - Downtown skyscrapers - Residential neighborhoods - Luxury areas - Poorer urban areas - Industrial districts - Airports - Ports - Shopping districts - Restaurants and cafés - Hospitals - Police and emergency stations - Gas stations - Vehicle dealerships - Workshops and garages - Construction sites - Highways - Bridges - Tunnels - Underground areas - Countryside - Forests - Mountains - Rivers - Lakes - Beaches - Islands - Farms - Abandoned buildings - Hidden locations - Secret underground locations Make the world seamless, with minimal loading screens. Use world streaming so distant areas load and unload intelligently while the player moves around. 2. REALISTIC PHYSICS ENGINE Implement a sophisticated physics system for the entire world. Include: - Realistic gravity - Collision detection - Rigid-body physics - Friction - Momentum - Acceleration - Deceleration - Mass differences - Surface-dependent physics - Vehicle suspension - Tire grip - Sliding - Skidding - Weight transfer - Aerodynamics - Water physics - Buoyancy - Rope physics - Cloth physics - Ragdoll physics - Destructible objects - Breakable glass - Deformable vehicle bodies - Physical debris - Realistic object impacts Objects should react differently depending on their material. For example: - Metal should behave differently from wood. - Glass should shatter. - Concrete should resist impacts. - Lightweight objects should move when hit. - Heavy objects should require significant force to move. Make physics interactions visually believable and consistent. 3. VEHICLE PHYSICS Create highly detailed physics for every vehicle. Vehicles should have: - Realistic acceleration - Braking - Steering - Suspension - Tire grip - Weight distribution - Engine simulation - Gear system - Wheel rotation - Drifting - Skidding - Tire deformation - Damage deformation - Engine damage - Brake damage - Suspension damage - Different handling for different surfaces Driving should feel different between: - Sports cars - Sedans - SUVs - Trucks - Motorcycles - Buses - Emergency vehicles - Boats - Helicopters - Aircraft Cars should react realistically when hitting walls, other vehicles, ramps, objects, and uneven terrain. Add realistic vehicle interiors, working lights, indicators, windshield effects, mirrors, and dashboard interfaces. 4. CHARACTER PHYSICS & ANIMATION Create realistic character movement. Include: - Walking - Running - Sprinting - Jumping - Falling - Climbing - Swimming - Crouching - Sliding - Vaulting - Stumbling - Getting pushed - Getting knocked down - Getting up - Entering vehicles - Exiting vehicles Use procedural animation and inverse kinematics so characters naturally interact with the environment. Characters should automatically place their feet correctly on uneven terrain and interact naturally with doors, stairs, vehicles, walls, and objects. Use realistic ragdoll physics when characters fall or are impacted. 5. LIVING NPC SYSTEM Create thousands of NPCs with believable behavior. Every NPC should have: - Name - Personality - Job - Daily schedule - Home - Workplace - Friends - Relationships - Destination - Mood - Reactions - Basic memory - Individual appearance NPCs should: - Go to work - Go shopping - Eat - Talk - Walk - Drive - Use public transportation - Go home - React to weather - React to dangerous situations - Call emergency services - Run from danger - Help injured people - Gather around interesting events Avoid having NPCs behave like identical clones. 6. DYNAMIC WORLD Create a world that continues functioning even when the player is not directly interacting with it. Include: - Traffic accidents - Police incidents - Fires - Construction - Road repairs - Random arguments - Medical emergencies - Traffic jams - Weather changes - NPC celebrations - Sporting events - Public gatherings - Random encounters Generate procedural events throughout the world. 7. ADVANCED WEATHER Create dynamic weather including: - Sunny - Cloudy - Rain - Heavy rain - Thunderstorms - Fog - Wind - Heat haze Weather should affect physics and gameplay. For example: Rain should make roads slippery, create puddles, reduce visibility, change NPC behavior, and affect vehicle handling. Add realistic: - Rain drops - Water accumulation - Reflections - Wet surfaces - Lightning - Thunder - Wind effects - Clouds 8. WATER PHYSICS Implement realistic water simulation. Include: - Waves - Buoyancy - Swimming - Floating objects - Boat movement - Water splashes - Rain interaction - Water currents - Underwater environments - Shoreline interaction Objects should realistically float, sink, or become partially submerged depending on their mass and shape. 9. DESTRUCTION SYSTEM Create a detailed destruction system. Allow appropriate objects to: - Break - Crack - Fall - Collapse - Shatter - Deform - Scatter debris Include destructible: - Windows - Signs - Furniture - Small structures - Vehicles - Environmental objects Use optimized destruction so performance remains stable. 10. POLICE & EMERGENCY AI Create sophisticated police AI. Police should: - Patrol - Investigate incidents - Respond to calls - Chase suspects - Coordinate with other officers - Search areas - Set up roadblocks - Use vehicles - React to changing circumstances Also create: - Ambulances - Fire trucks - Rescue workers - Emergency dispatch systems Emergency services should respond dynamically to events happening in the world. 11. COMBAT SYSTEM Create responsive third-person combat with: - Hand-to-hand combat - Dodging - Blocking - Melee attacks - Cover mechanics - Original ranged weapons - Enemy AI - Different enemy behaviors - Environmental interactions Make animations fluid and physically believable. 12. CHARACTER PROGRESSION Create: - Experience - Skills - Abilities - Inventory - Clothing - Equipment - Properties - Vehicles - Customization Allow the player to develop their character through gameplay. 13. ECONOMY Create a functioning fictional economy. Include: - Currency - Shops - Restaurants - Vehicle dealerships - Garages - Properties - Businesses - Mission rewards - Vehicle customization - Clothing stores Businesses should have opening hours, employees, customers, and changing activity. 14. MISSIONS Create a cinematic main storyline with: - Main missions - Side missions - Random missions - Optional activities - Character relationships - Branching choices - Consequences - Cinematic scenes Make missions interact naturally with the open world instead of feeling like isolated levels. 15. GRAPHICS Use high-quality realistic graphics with: - Physically based rendering - High-resolution textures - Realistic materials - Global illumination - Dynamic shadows - Reflections - Ambient occlusion - Volumetric lighting - Particle effects - Smoke - Fire - Water effects - Destruction effects - Detailed vegetation - Realistic skies Use advanced LOD and streaming systems to maintain performance. 16. DAY/NIGHT SYSTEM Create a realistic 24-hour cycle. The environment should change depending on the time: - Shops open and close - NPC schedules change - Traffic changes - Nightlife begins - Street lights activate - Different NPCs appear - Some locations become inaccessible - Wildlife behavior changes 17. TRAFFIC SIMULATION Create realistic traffic AI. Vehicles should: - Follow traffic lights - Change lanes - Overtake - Brake - Avoid collisions - React to accidents - Follow navigation routes - Form traffic jams - Respond to emergency vehicles Diffe. Moment 1 of 3 of the first minute of play: the player arrives. Drawn as a rough storyboard sketch: grey pencil and marker on white paper, one accent colour, loose flat shapes, no shading detail, no background clutter. Everything is original: never draw or resemble characters, places or logos from existing games, films or brands (no red-capped plumbers, no famous mascots), even when the idea names one. Keep the pictures honest: they promise what a small first version of this game, made in a game engine in a few days, can look like. Simple readable shapes, clear silhouettes, few flat materials, the in-game camera view. Never film stills, photoreal renders, AAA key art, detailed textures, cinematic lighting, or anything that looks like a big-studio game. No text, UI, HUD, logos or editor screens inside any image.