One button for everything!

Click it to rotate cube and send bad guys to hell!
Hold it to lower the bridge and to help good guys save heaven!

Manage your resources!

Be careful! The game will be over if you run out of health or fuel. 
When bad red guys fall into the lava reservoir, they generate fuel.
The opposite happens if you accidentaly throw good blue guys there - they burn some portion of it.

Defend the mechanism!

If bad guys break through, they will start destroying the mechanism. To stop them, hold the button to send good guys there and eliminate threat!

Have fun!