Red tanks can take 2 hits and deal 1 damage.

Pink tanks are faster, can take 3 hits and deal 1 damage.

Bosses are slower, but can take 20 hits and deal 5 damage.

The goal is to survive as long as you can.

Controls:

WASD - Move

Spacebar - Shoot

Powerups get picked up automatically.

Credits (all music and sound effects are safe from copyright):

AlphaDream - In the Final (Mario&Luigi: Bowser's Inside Story)

Nintendo - Powerup spawn and pickup sound

Undertale (Toby Fox) - ''Enemy Approaching'' and ''Determination''

Untold Journey - The Pirate King

Update log:

2 June 2018 - v1 released. Base game with a single boss added.

2 June 2018 - v2 released. Added music, a new boss, powerups, sound effects.

3 June 2-18 - v2.1 released. Added improved animations, more random powerup spawns, a few balance changes.

Added a new Game Over sound (credits to Toby Fox). Greatly improved all graphics.

Added a new powerup - Black Bomb. Destroys all enemies on screen.

Added difficulties.

5 June 2018 - Patched a bug where bullets would pierce enemies on the left side, but not on the right side. Bullets don't pierce any longer.

5 July 2020 - Made the code a little bit tidier overall. The game is possibly more stable and has less bugs.

Balance changes:

3 June 2018:

Reduced the spawn timer of all enemies by 0.5 seconds.

Increased the spawn rate of all powerups and randomized them more.

Increased the health of all bosses by 2 HP.

Reduced the extra HP of Green Heart by 1.

Reduced the extra fire rate of Orange Flame by 0.07 seconds.

5 July 2020:

Increased the extra fire rate of Orange Flame by 0.05 seconds.

Reduced difficulty across the board (spawn rates and enemy movement speed).