An initial decision is made between either one or two-player mode. Choose the single player option however, and a second player can still join in at any time during the action. When the start button is pressed, the small dragons appear at the bottom left and right. Shortly after, the hostile cave-dwellers emerge and rush around the network of platforms. These are deadly to touch, and should be avoided at all costs. The only means of defense are the bubbles which a dragon spits when the fire button is pressed. A bubble travels forward a short distance before floating upward, and any creature caught in its horizontal path becomes trapped, and is helpless about its predicament.

Now the fun begins - if the dragon jumps up and pops the bubble with his tough head, the creature within bounces around the screen, stunned, and turns into a banana which is collected for an extra score. Bubbles always mass at the top of the screen, and a cluster of bubbled enemies can be bust at the same time, resulting in different fruits worth bigger points. Greed is a terrible thing though, and if a dragon waits too long for bubbles to mass, the creatures can escape. Their constant struggling weakens the bubble wall and they break through after 15 seconds or so. An escapee is a horrible sight, all red and angry, and rushing around the screen in a complete strop, looking for the dragons responsible for his imprisonment. Another hazard which appears if a screen is not cleared quickly enough is the dreaded Baron von Blubba. This indestructible horror emerges to track down the heroic dragons, eventually giving his fatal touch if all the other creatures aren't destroyed quickly enough.

Throughout a level, bubbles float up from the bottom of the screen.
Some of these are water-filled and cause a mini-flood when burst. This then pours down the screen, sweeping away any creature that stands in its path. Other bubbles contain letters, with an extra life awarded if the word is formed. On some screens, bubbles containing lightning can also be burst to send deadly bolts of electricity whizzing across the screen.

Goodies appear randomly, either giving extra points, or endowing the dragons with special powers such us for example:

yellow candy: rapid-fire bubbles
blue candy: fast-moving bubbles
purple candy: far-moving bubbles
red shoe: fast running

Sometimes an object sets off a reaction - such as filling the screen with water, killing all dwellers within, causing a huge explosion or sending huge bolts of lightning from above. On very rare occasions, collecting an item makes all the hostiles disappear and the screen becomes filled with objects - which are collected within a 20 second time limit for a 100,000 points bonus.

As the dragons progress through the levels, all manner of creatures are encountered. Early levels are inhabited by square-headed morons, whereas later screens contain boulder-lobbing ghosts, flying fish, helicopter hippos, springing things, gremlins and missile-dropping Space Invaders. When the 100th screen is reached, the extremely large chief cave-dweller appears and is bubbled many, many times before dropping the final curtain and joining the choir invisible.
Finally, there's a secret screen which is revealed when a special fruit-collecting sequence is completed. Can you find it?

The Bonze's comment
The first thing to notice is that this game has been bootlegged, and this proves that this game was a great success in arcade places and that many people wanted to play it: there were 4 machines in an arcade place (4 bootlegs, but I've known this after), they were all occupied, and there were also lots of people who watched "experienced" players to learn some tricks.
It's easy to manage the techniques (even the "advanced skills"), so you won't have to use dozens of credits to really have fun. Everybody knows that you need to complete 100 levels to end the game on "Super" mode on a 2-players game, but it's not the only challenge! Here are some for a one player game (no particular order):
- end the game with one life without using the doors nor the umbrellas
- get "distribution" at the end of each level
- "lock" the score to 9.999.990 points with a single life
- find all "special" initials ("SEX" being the most famous one).
As you can see, you are FAR from knowing everything about this game (except if you are reading the various FAQ/guides), and if you are lucky enough to find a REAL arcade machine with this game, it is worth inserting one (and probably many!) coin(s) in it! It is interesting to notice that the repetitive music of the game has produced many "dance/techno" remixes...