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The Dragonwing is larger and slower but more heavily armored. It also controls the "special" power-up weapons such as the Soul of Zinglon or Repulsor. The Dragonhead has front gun powerups (with more variety than the Dragonwing's rear gun pickups), has better maneuverability, and a smaller profile making it easier to dodge enemy fire. Tyrian enables the two players to be connected via modem. Both players can combine their ships into one, forming the "Steel Dragon", with the first player controlling the combined ship, and the second player controlling a turret. The ships are called the "Dragonhead" and "Dragonwing". The arcade mode can be played with one or two ships, by one or two players. The ship, shields, and generators are not upgradeable. Front and rear guns can also be upgraded to the next level by picking up power-up pods, which are found by destroying a specific enemy.
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The number of purple orbs required increases exponentially to advance to higher power levels. Front weapons are upgraded by picking up purple bubbles from destroyed enemies. In arcade mode, the player starts with a moderate ship and picks up the front guns, rear guns, and sidekicks along the way, instead of purchasing them. Some simply act as a complementary weapon that fire whenever the ship fires others are powerful weapons with limited ammunition that need to manually activated. The player can also purchase up to two " sidekicks" which fly alongside the ship. However, shops can upgrade any component, even those that they don't sell. Shop differ in terms of the ships, generators, and weapons that have for sale. Other upgrades include increased shields, more powerful generators to allow for stronger weapons and shields, more armor, and higher maneuverability. Higher levels cost exponentially more and require a more powerful generator to support them. Some rear weapons have two selectable fire modes, focusing either mostly forward, or mostly sideways or rearward. While the front weapons are mostly limited to forward arcs, "rear" weapons often come with wider coverage including side and rear shots. Shops can supply a variety of kinetic guns, rayguns, missiles, and bombs for these two slots. It can accommodate a front weapon and a rear weapon. At certain points in the game, the storyline branches and the player is required to pick one branch. Some of these messages cubes are readily available while others need to be obtained by destroying certain enemies in the preceding level. The story is told through the message cubes that can be collected within and read between levels. The "full story mode" is a single player mode that features a story-based campaign and ship customization. Upon completion of the game, the player receives a password for one of the several hidden ships, as well as the options for replaying the game at a higher difficulty setting. In certain levels, the Hard setting also prevents the player from seeing enemies outside a conical line-of-sight. Certain hidden levels are only available at hard difficulty, which provide ample opportunities for unique powerups and upgrades. Hard difficulty and above employ enemies with more health as well as fire more bullets per second. There are three levels of difficulty to choose from: Easy, Medium, and Hard, as well as the hidden options of Impossible, Suicide, and Lord of the Game. The arcade mode has characteristics from coin-op arcade shooters, such as in-game powerups and extra lives. Tyrian's full game mode features a credit and equipment-buying system, and the shield/armor hit points which are similar to game mechanics in Raptor: Call of the Shadows, another PC game from the same period. Before the player's starship is destroyed it must take enough damage to exhaust several points of shields (which regenerate over time) and armor. The game presents a variety of enemies (some flying, some fixed, some on rails) and bosses, with many occurrences of fixed and/or indestructible obstacles. The player controls a space ship fitted with different weapons (front and back, linked to the same button, and up to two external pods with their own buttons) and other equipment. It was developed chiefly as a homage to the works of Compile, particularly their Zanac series. Tyrian is an arcade-style vertical scrolling shooter. Now on MicroSol's hit list, Trent manages to secure a small, armed spacecraft and set out the free world of Savara. MicroSol has discovered Gravitium (the game's brand of Unobtainium) on Tyrian and seeks to keep it a secret. Before dying Buce warns Trent that the drone belonged to the militaristic MicroSol megacorporation. While on the planet Tyrian, a hostile drone shoots his best friend, Buce Quesillac. The player takes on the role of Trent Hawkins, a skilled spaceship pilot.
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