Play it again Sam

A compilation of 4 games:

Citadel

a single player arcade adventure. It was written by Michael Jakobsen and was originally released in 1985 by Superior Software.

Ravenskull (aka Castle Ravenskull)

a single player arcade adventure. It was written by Nicholas Chamberlain and Martin Edmondson and was originally released in 1986 by Superior Software.

Stryker's Run

a single player scrolling shooter. It was written by Chris Roberts and P Meller and was originally released in 1986 by Superior Software.

Thrust

a single player scrolling space shooter. It was written by Jeremy Smith and was originally released in 1986 by Superior Software. It was also released on the Beau Jolly label on both their 10 Computer Hits 4 and Five Star Games 2 compilations.