Commander Keen 1
The two-dimensional video game, Commander keen 1 consists of a top-down perspective. The science fiction video game is full of action. In the game, the player plays the role of Commander Keen.
In the game, an eighteen-year-old pal Billy, also known as commander keen plans to fly to the planet Mars. Billy builds his own rocket from the usual items present in his house to go to Mars. After Billy lands on the planet, he starts to explore the planet. In his absence, some of the troublemaker aliens steal some of the parts of his rocket and hide them in their own cities. Keen cannot fly the rocket without those missing parts. Therefore, Commander Keen is setting himself on a mission to find those missing parts.
As the game starts, commander keen gets a map indicating the locations and cities of Mars. The player can choose the cities where he wants to go and choose his city for the next level. There are several levels in the game. To qualify each of the levels, commander keen needs to find a missing part of the rocket from each level and then, he needs to find the exit door to enter into the next level. Whenever you are done with a level, you end up on the map from where you can choose which place to go for the next level.
There are several creepy creatures in commander keen 1, which will act as hindrances in your path. Some creatures are harmless but annoying whereas, some creatures are deadly dangerous. Commander Keen dies if he falls in a pit or gets shot by some enemy creature. Keen is provided with a gun using which he can shoot the creatures.
ID software is considered a founder of FPS games. They started with Wolfenstein series followed by Doom series and Quake series. They remained active to current days with many successful titles.