Unreal Games Engine

Download Unreal from Epic Games – you need to download the Epic Games Launcher first.

https://www.raywenderlich.com/771-unreal-engine-4-tutorial-for-beginners-getting-started

Rain outside, dry inside

https://www.reddit.com/r/unrealengine/comments/854g5a/show_off_rain_occlusion_system/

Typewriter style Text

Create a Blueprint widget to get text to appear one letter at a time.

increase health bar

https://answers.unrealengine.com/questions/466839/how-do-i-increase-the-size-of-the-total-progresshe.html

timers

https://docs.unrealengine.com/en-us/Gameplay/HowTo/UseTimers/Blueprints

textures

https://docs.unrealengine.com/en-us/Engine/Content/Types/Textures/Properties