Basic UE5 Atomic Bomb Simulation Prototype

EXTREMELY BASIC Atomic Bomb Simulation Prototype (Unreal Engine 5)

I need a very barebones UE5 prototype.
This is NOT a full game. It is only a proof-of-concept to demonstrate the core vision.

Everything should be minimal and placeholder quality.

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Requirements
• Unreal Engine 5
• 1 flat test map
• Primitive/cube buildings only
• Basic physics objects (simple meshes are fine)

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Explosion System (Main Focus)
• UI slider/input for explosion size
• Detonate button
• Visible expanding shockwave sphere
• Radial force that pushes nearby objects
• Simple destruction method (any of the following is fine):
• Fracture into chunks
• Swap to broken mesh
• Collapse via physics

Explosion must clearly communicate scale, but does NOT need cinematic realism.

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Camera
• Ground POV
• Aerial/top-down view
• Free camera with zoom
• Simple keybind switching

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Basic UI
• Explosion size control
• Detonate button
• Reset button
• Optional simple text readout

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STRICTLY DO NOT INCLUDE
• Polished graphics
• Cinematic VFX
• Advanced shaders
• Detailed assets
• Sound design
• Multiplayer
• Steam integration
• Save systems
• Optimization work
• Real-world physics accuracy

This should look like programmer art / placeholder assets.

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Deliverables
• Full UE5 project files
• Packaged Windows build (.exe)
• Simple instructions for changing explosion values