Stop the game and select Edit ▸ Project Settings ▸ Physics 2D. You can’t interact with the game yet, but you’ll add the interactivity in this tutorial. In addition, you’ll see the Score and Lives UI labels. Click Play and you’ll see the red player cannon in the bottom center of the screen and hear the music loop. Sprites: Contains all the pixel art for the project.Sounds: Has all the sound effects and the music file.Most of them are empty shells which you’ll fill. Scenes: Contains the main scene you’ll work with.Resources: Contains fonts and textures.Prefabs: Has all the prefabs the project uses.Animations: Contains pre-made animations and the animator for the bullet and explosion prefabs.Open Assets/RW and you’ll find the following directories: The project contains some folders to help you to get started. After extracting, you’ll notice Starter and Final project folders. Additionally, this tutorial assumes you’re using C# 7 and Unity 2020.3.ĭownload the project materials by clicking the Download Materials button at the top or bottom of this tutorial.Įxtract the zip file to a convenient location. Note: This tutorial assumes you already have basic experience with Unity and an intermediate knowledge of C#. Change the music tempo and swarm speed based on kill-count.Make the invaders at the swarm’s head shoot laser bullets.In this tutorial, you’ll replicate the core gameplay features of Space Invaders using Unity. In addition to the swarm, there’s also a UFO that appears from time to time. The game’s objective is to eliminate the invaders before they reach the bottom of the screen while dodging and hiding behind torchkas. The crab invader has become an iconic symbol universally associated with arcades and games in general. They appear in a swarm of multiple rows and move from the top to the bottom of the screen. There are three types of invaders: crab, squid and octopus.

The player can hide behind any of four torchka (トーチカ), also known as a pillboxes. The laser bullet-shooting cannon represents the player. Released to arcades in 1978 by the Japanese game company Taito, it quickly became a massive hit. Space Invaders, known in Japan as Supēsuinbēdā (スペースインベーダー), is one of the most well known retro games in the world.

Unity top down engine