Introduction

Pursued by monsters along walls and up and down ladders, your only hope of survival is to outwit them by trapping them in holes which you dig in their path. If a monster falls in, the hole must be filled in completely, or the monster will crawl out.

You can score extra points by dropping the monsters through several levels, and the further you get the more you can score, as the monsters vary and become more devious.

Quite an exhausting business, so keep an eye on the oxygen level which drops during each screen and eventually runs out, whereupon you will die. You have three lives, however, and can earn another one by scoring 3,000 points.

Includes score, ladder of high scores, excellent graphics and sound effects.

How To Play

Monsters can be killed in one of two ways: either by falling through holes which you dig and fill, or by being hit by monsters falling from above. If a monster is hit by a falling monster, both die. If you manage to kill all the monsters, you graduate to another screen.

The longer you survive, the more you can score as the monsters vary and become more devious. Whereas red monsters only need to fall through one level, green monsters must fall through two levels, and white monsters must fall through three levels, before they actually die. If they fall through more than the minimum number of levels, then your score will be even higher.

From the second screen onwards, any red or green monster that is allowed to crawl out of a hole mutates into a green or a white monster respectively.

Game Controls

Z - Left, X - Right, : - Up, / - Down, D - Dig, F - Fill

Score

If you score 3,000 points, you earn an extra life.

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