Avoid incoming bullets and strike down all enemies.
At the title screen, you can select a game mode (CLASSIC, BASIC, MODERN).
Move your ship.
Hold down a button to fire automatically.
Hold a provocation beam button at the same time to slow down speed of your ship and fire intensively.
You can capture enemies with the capture beam.
To fire the capture beam, a capture beam energy (displayed in the left panel) should be full.
The capture beam energy increased when you destroy an enemy.
Captured enemies are lined up beside the player and counterattack to other enemies.
Your ship is invincible when you are firing the capture beam.
You can use the capture beam anytime, but your ship isn't invincible while firing.
The provocation beam forces an enemy to fire more bullets and you
can earn more bullet multiplier bonus.
You have to release the shot button to fire the provocation beam.
A score multiplier is displayed in the upper right. It increases when you destroy a enemy and decreases slowly when the enemy is on the screen.
When you destroy an enemy at close range, you can get a proximity multiplier (Max x16).
When you destroy a pink midsize enemy, bullets flying side-by-side
are changed into a bullet multiplier in a chain reaction.
Use the provocation beam to the midsize enemy to get higher bonus.
You earn an extra ship every 100,000 points.
You earn an extra ship every 1,000,000 points.
A score to earn the next extra ship is displayed in the upper left.
Titanion is written in the D Programming Language.
Simple DirectMedia Layer is used for media handling along with Derelict for binding to D.
SDL_mixer and Ogg Vorbis CODEC are used to play BGMs/SEs.
Tango for a versatile base library.
Mersenne Twister is used for creating random numbers.