Power Ups in HOR
Your ship is fitted with mechanisms for in-flight upgrades and repairs. These are the icons to look for with a description of what they do. You lose all aquired upgrades upon loss of a ship.

Speed Upgrade
Blasting open one of these will increase your ships speed and ability to dodge enemy bullets. Your speed will top off after a certain number of boosts.

Weapon Upgrade
Blasting these open improves your weapons systems. There are 5 levels: blaster, double blaster, heavy blaster, AA missles, AA missle+double blaster combo.

Shields
Blasting these open will completely restore your ship's shields system.

Extra Life
It is rumored that these rare extra life icons will fall from the sky after large explosions.