This is a full-disk-game
made by the famous Boulder Dash-
creator No One. Prima Boulder Dash I includes an "enemy
stomizer, where you can choose the graphic for everything with-
in the game, except of the dirt. With this tool you're able to
create your own charset.
The game contains dozens
of different caves. They vary from
easy to hard, and it takes many hours to complete this interes-
ting Boulder Dash-game.
No One was one of the famous
Boulder Dash-freaks in the
80'ies. He made some of the best Boulder Dash-games.