It's really hard------------------------------------------------------
Level 1 of the cave portals series.
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You got stuck in a parallel universe but found loads of portals to the real world.
It turns out the 1st portal leads to a enemy base hidden from sight on a unknown island.
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What happens during the game
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You search the enemy base and find a lake. Thinking this is the way out, you travel down it and find a cave, covered by a waterfall. You attack the enemy and find a elevator. When you get off the elevator you kill some enemy's and retrive a crystal.
It says 'Find 2 more crystals in this cave and you will have enough power to open the 2nd portal in a parallel universe.' on the crystal.
You collect the crystals and go back through the portal to the parallel universe.
The End. of this level!