Alien Intruder

Pixel art action, intergalactic rescue and a relentless ticking clock!


Alien Intruder is a retro platform game that captures the essence of classic arcade action games. Developed by Juan J. Martínez and released for MS-DOS (it is compatible with DOSBox) in 2024, the game puts the player in control of a space explorer on a rescue mission against hostile aliens. With a neat pixel art look and sharp jump-and-shoot mechanics, it challenges reflexes and precision in fast-paced levels.

Each level has a 60-second time limit to rescue the kidnapped crew members and reach the exit. Along the way, enemies try to impede progress, requiring the player to use their blaster with precision. To help in the mission, special items can be collected, such as point bonuses, energy bombs to eliminate multiple enemies and even extra lives. At the end of each level, the bonus score is calculated based on the player’s speed and efficiency.

With 50 levels in total, Alien Intruder offers progressive challenges and a level of difficulty that harks back to the golden age of arcades. Its accessible and straightforward gameplay, combined with a nostalgic aesthetic, makes it an excellent option for both retro gaming enthusiasts and new players looking for a classic and fun challenge.

Video

How to play

You have 60 seconds to rescue all the crew members captured by the aliens on each stage before running to the exit.

If the time runs out, your character will lose a life.

There are some special pick-ups:

  • Bonus points: pick up pizza slices, soda cans and shareware diskettes for extra points.
  • Energy bomb: an energy wave will cross the stage hitting all enemies in its path.
  • Extra time: reset the clock back to 60 seconds.
  • Extra life: add one extra life, up to 9.

When completing a stage there are extra bonus points for:

  • Time left after reaching the exit.
  • Disposing of all the aliens on the screen.
  • Completing the stage without losing a life.

There are 50 stages in total.

Controls

Key 	 	Joystick 	Action
Cursor left 	Joystick left 	Move left
Cursor right 	Joystick right 	Move Right
Cursor up / X 	Button 2 	Jump
Z 	 	Button 1 	Fire blaster
P 	 	- 	 	Pause / resume game
ESC 	 	- 	 	Abandon the game

The game menu includes a help section with this information.

Screenshots

More info and platform

Overview


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