Equipment Upgrade System

Melee units use hand to hand weaponry such as swords and scythes. Yet due to their high-tech rebuilding, these weapons can deal extraordinary damage to the enemies. The Ion Vibrating Blade, the Impulse Sword, Gaia Online and the energy Spear are just a few of the futuristic weapons providing the ultimate potency for these Melee pilots. While some of the more advanced melee weapons are made of photon power which combines the sheer force of these weapons with futuristic know-how; making them visually dynamic and incredibly powerful.

Range units excel at long-distance attacks, and the super guns are their favorite weapons. Equipped with different types of weapons, they can exert critical attacks of different attributes. The Flame Guns can eject high-temperature flames; the Frost Guns freeze the targets instantly; the Shotguns can frighten off the enemies; and the Machine Guns inflict instantaneous, multiple damage on the enemies. In addition, the unique multi-weapon system allows for simultaneous and varied attacks. The advanced range weapons have also incorporated the use of photon energy.
Both types of units can perform upgrades by accumulating EXP which is increased through battle. After each upgrade, not only will the performance of the unit become more reliable but the appearance will become more

The core system is one of Zero Online's unique features. There are 10 core types in the game. Each type has an exclusive core program and features different functions. For example; one can increase the enemy's damage, while another may possess the ability to detect others. When a core is equipped, the core-program will be loaded to the main unit.

Besides the core programs, each core owns up to 4 auxiliary programs. Each program endows the unit with a special function: declining a marriage proposal, shifting damage, upgrading the control-level of your weapons, gaia gold and even forbidding other units' to jump, etc. The wide variety of programs and their additional features makes game play varied.
Some special programs allow you to establish an energy field across the entire map. This will cause your EXP or HP to suddenly increase. On the contrary, a weakening field also can be established, which makes the enemy unit unrepairable or its max HP decrease.

The core-combination system will help to decide which core program is best suited to you. But if the core-programs of two cores are the same can they be combined to one core. A maximum of 4 auxiliary programs can be transplanted into a new core.