C# Game Programming Cookbook for Unity 3D

Chapter 11

Dish: Lazer Blast Survival

In the late 1970s came a turn-based game called Robots from Berkeley Software Distribution (BSD). In Robots, the player must escape from a swarm of enemies that move in closer toward the player at each turn. In the original version of the game, the player moves around the arena in an attempt to avoid contact between enemies and player, which would end the game.

Robots is often referred to as the beginning of the arena shooter—a term used to describe a top-down shoot ’em up game with the action locked into a limited area similar to an arena. There were derivatives of the Robots concept, but the overall idea of escaping from hoards of enemies in an enclosed area remained the same and the game was perfect for ...