Dr Bullet is a game where you must hit a target with a bullet. i found that aiming requires dragging the mouse to launch the projectile.
Click and drag the mouse to aim the bullet, then release to launch it.
The game has 60 levels. No extra buttons or toggles are stated.
Plan your shot before clicking. Use the environment to bounce the bullet to hit the target.
Q: What are the controls? A: Click and drag the mouse to aim and shoot.
Q: What is the objective? A: Guide the bullet to the target.
Q: What stated features are there? A: There are 60 levels.
Q: What is the main mechanic? A: Dragging the mouse to aim the bullet.