Select game options
Gameplay on the first level
Collect the diamond, and watch out for that deadly box!
This level features lots of boulders and diamonds to dodge
A box of doom is chasing me!
I created a diamond and boulder avalanche
The exit is now open
Collecting diamonds on the third level
Crushing the butterflies with a boulder turns them into diamonds
Title screen (Exidy release)
Menu for choosing cave and level (Exidy release)
First round in cave A. I've only moved a few steps yet (Exidy release)
This is a bit trickier, as you need to get the diamonds with right timing, or else you run into enemies (Exidy release)
This stage has tons of diamonds to get - but also tons of deadly stones. (Exidy release).
Title screen of the Data East DECO release
DECO release: The menu is a bit different here. The distinction between "cave" and level" is missing, as there are only levels to choose which determine the cave the player starts in.
First stage of the DECO release
The graphical superiority of the DECO release is also obvious when you look at enemies
DECO release: Again lots of diamonds to get here, but only by carefully moving enough to clear the stage
The main menu
Collecting diamonds in the first cave
Sometimes the cave becomes filled with static to confuse you
There's plenty of boulders to dodge here
Crush these butterflies to turn them into diamonds
Those flashing boxes guard the diamonds
Caught in a boulder avalanche!
The slime isn't deadly, but grows quickly and takes up space
Running from a flashing box...
You only get one try to crush this butterfly
I found the exit, but accidentally blocked it with boulders!
Reached the exit
On to the next stage
This flashing square is a nasty; luckily, it's trapped
Pushing a boulder out of the way
Out of time
Starting a game
You can push boulders out of the way if nothing is blocking them
Be careful not to crush yourself with a boulder!
Drop a boulder on these butterflies to turn them into diamonds
Collecting diamonds on the first level
Those square things are dangerous...
Be careful not to trap yourself...or is there still a way out?
That green slime slowly takes over the screen...
When smashed with a boulder, the butterflies turn into diamonds
Pick up the diamonds
Don't you get a headache?
Found the exit
On to level 2
The enemy is, luckily, trapped in the dirt
Title screen (one or two players)
Each world holds five levels. Complete the first three to unlock the final two.
You start with three lives.
First world gameplay
Use the select button to zoom out.
Second world gameplay
Third world gameplay
Final world gameplay
Find your way through the maze
Japan Title screen
Choose a color for your player, then begin at the world map
There are strange creatures underground
Sneak past these creatures to get the diamonds
Those ameoba type things grow and take over the screen
Crushing the red critters with a boulder turns them into diamonds
A diamond jackpot!
diamonds and skulls falling from overhead
Hmm, need to find a way outta here
Title screen (PCjr)
The main menu (PCjr)
Starting the first level (PCjr)
Collect the diamonds! (PCjr)
Title screen (CGA)
Level 1 (CGA)
Beginning the second level (CGA)
There's a lot of boulders to dodge in order to collect diamonds! (CGA)
Crush the butterflies with a rock to form diamonds (CGA)
A serious quantity of diamonds and boulders (CGA)
You need to be quick or the boxes of doom will catch you! (CGA)
First Star logo
Gameplay in Cave A, level 1
Collect diamonds, but watch out for the deadly boxes!
These diamonds are being guarded
Lots of walls, boulders, and diamonds on this level
Crush the yellow things with a boulder, and they turn into diamonds!
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