Portal
The portal repeats its creation and extinction at regular intervals.
The portal fires projectiles at regular intervals.
You don't know where and where the projectile will fire every time, so focus and avoid it.

Black hole
Pressing the black hole button creates it in a random place.
The projectile disappears when it touches the black hole.
Reach a higher score with the use of black holes.

Paint ball.
Six colored paint balls are created in white holes.
When it touches the paint ball, the color of the spaceship changes.
You can move to a portal of the same color as the spaceship.
Use paint balls to move between portals and reach higher scores.

Paint ball
Six colored paint balls are created in white holes.
When it touches the paint ball, the color of the spaceship changes.
You can move to a portal of the same color as the spaceship.
Move between portals with the acquisition of a paintball and reach a higher score.

Shield
When using shield items, the spacecraft gets a single shield.
Block once when colliding with the projectile.
Reach a higher score with the use of shield items.