I need vectorial graphics for 2D iPad game

Industry: Internet/Software
Design details: We are creating an app for private use at an event. The event is a Christmas party for kids of 8-9 years old, and the theme is space.
We decided to base the app on the Solar System, each planet will have a different function, whether short games, to educational animations.
We are looking to create the game vectorial graphics, bespoke. These graphics will also set the tone of the rest of the app.

Please see below for a short description of the games.

Important note, the app is iPAd based only, and is for private use only

Game Graphics

Please also refer to the visuals/moodboard) for visual style required.


1.Its Raining Rocks:

Description:
Your objective is to navigate the oncoming asteroids in order to stop the Planet Seeker (Shuttle) from taking damage. Asteroids will come towards you at different speeds and different sizes. You will need to be alert to dodge them all! You can shoot the asteroids destroy them.
Graphics items required:

• Asteroids (different sizes)

• Space Rocket

2.Catch the Sun:

Description:
Your objective is to move the earth to help it catch the vital rays from the sun that it needs to help things grow and keep people warm and in light!

Graphics items required:

• Stars/ sunrays

• Sun

• Earth

3.Land the Space Rover

Description:
Tilt your screen in order to move the Space Rover to one side or the other.
As you get closer to the planet's surface, things like rogue space rocks and the shaking of the ship may send you off course.
Make sure you are straight enough to land when you reach the surface to become the latest astronaut to set foot on a foreign planet!

Graphics items required:

• Space Rover:

• Planet (Mars) full diameter

• Planet Mars (half circle)


4.Game logo:

We need to create a bespoke game logo. It would be good to try and integrate the company’s Corporate logo.

Background:

We will also require a graphic so we can set it as the background for all three games.
Background should resemble space, with some stars and maybe a coupleof satellites in the background. It shouldn’t be too cluttered so it doesn’t interfere with the games.
Preferable not black.

Size: 2048px x 1536 px
Target audience: Children 8-9 years old
Ideas for the visual style: 2D, vector, cartoon, space
Where the design will be used: Private event
Extra notes: