This is a straightforward clone of the arcade game Centipede. A long slithering alien being gradually moves down a gridded playing area and must be shot out before it can reach the bottom, with the ability to move your ship in all 4 compass directions. Curiously, it doesn't seem to be possible to get a joystick to work in this, despite the chance to define keys.
Yenght is the first text-adventure game ever published in Spanish. It is also the first game developed by Dinamic Software, the most important Spanish company in the 1980s.
Puszka Pandory (English: Pandora's Box) is a Polish computer text game created in 1986 by Marcin Borkowski for the ZX Spectrum 48k computer. The game achieved popularity after trading on the Grzybowska Commodity Exchange.
According to the book Polish Bytes, the game is the first one written by a Pole, attempted to be sold in Poland, and whose description appeared in the Polish press.
Marie Celeste is a text adventure with graphics. You are the pilot of a space ship that has run out of power and is drifting. Suddenly you come across a planet with another ship orbiting it. Unfortunately, it is the pirate ship Marie Celeste. Looks like you've gone from a bad situation into a worse one.