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As the captain of Starship Primary, your mission is to push back the invading alien ships by launching deadly weapons at them. You launch the weapons by marking the fuel tiles underneath them.

You can mark a rectangular block of fuel tiles if the fuel tiles at the four corners of the block have the same color.

The weapons at your disposal are time bombs that freeze the alien ships at their path, and missle rockets that push them back.

Once pushed outside your primary perimeter, the alien ships are destroyed.

The fuel tiles you mark also generate additional income. Use the income to buy more missle rockets and time bombs.

If the block you mark triggers a bonus goal, your weapons get a significant power-up.

As you level up, you face different alien ships, and they can counter attacks with their own weapons! For example, their shutdown rockets can make some fuel tiles unselectable! The higher the level, the deadlier their attacks become.

Defeat the aliens in under 5 minutes to win 3 gold stars!


This game is REALLY hard, but pretty good for the music, and gameplay. There is a scroll bar but that not effective when you try to win (gracefully). Maybe a practice mode can be usefull for the handle of the game itself.

Good luck!

ExK responds:

hi ClowRid, the more you practice, the better you'll become at Primary 3! Keep trying!

no instructions on how to start or move. This game also has a scroll bar?! which is really freaking annoying. sorry it had potential but, then went down the toilet and exploded.

ExK responds:

hi grphan, the instruction is written in the instruction pane (the exclamation mark) in the main menu.

As for the scrollbar, I myself don't see any. Perhaps it's due to your browser? may I know whether it's a horizontal or vertical scrollbar?

I found this game confusing, menu navigation is difficult, please consider simplifying menus and adding a tutorial level.

Not recommended-

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Credits & Info

2.29 / 5.00

Sep 15, 2013
11:23 AM EDT
Strategy - Real-time (RTS)