The Amstrad CPC version has different sounds, the UI elements are changed a bit and the game is in general displayed in black and white except for icon highlighting.
This little game came in a standalone cassette as a free game with the second issue of the Spanish magazine "Juegue Con Su Amstrad", which roughly translates to "Play With Your Amstrad".
This time around, it's a duel between two cowboys.
The player takes on the role of the father of a family that moves into the Amityville haunted house. Little by little, the house comes to life and he has to face more and more horrible events. He is a prisoner of the house and the goal is to get out alive after 24 days.
The Amstrad CPC port of the Arcade game Contra.
As either Bill (player 1) or Lance (player 2), the player must get to the end of each stage, shooting everything in sight, while avoiding enemy fire themselves. The player can upgrade their standard-issue rifle into one of four different weapons, including the powerful spread shot.