3D Basic Game Unreal Engine

At the start of the game, there should be a start game interface. The game will be played from a third person perspective. W A S D and Space keys respectively; It should be used as Up, Left, Down, Right and Jump. The X key should make a long jump. When the Z key is pressed, the rainbow object that the player can use as a step should appear in front of and slightly above it. The main character of the game plays the game by pressing the grass steps. Some of the steps contain gold and when they touch the gold, their score should increase by 10. The score interface should also be in the top left of the game screen. The player, rainbow and step model will be transmitted in fbx format.
Game must be made with Unreal Engine 4.26.