SKY SOLDIERS : Retro Shmup

Here comes a nostalgic side-scrolling shooter, popular in arcades and on the NES!
Recommended for retro game lovers, it's sure to put a grin on your face!
Control a cute biplane, shoot and dodge enemies, and sink the boss!
It's easy, fun, and exhilarating!
Clear all 10 stages and you've got the ending!
There's a bonus stage every three stages!
Aim for first place in the worldwide online ranking!
There is no charge! It's completely free!

[How to play]
Drag the screen to control the player! (You can also operate with a gamepad or keyboard!)
Shoot down enemies by shooting bullets that are automatically fired!
Use the buttons to turn to avoid enemy attacks or to get behind them!
Pick up bombs along the way! You can't turn while holding a bomb!
Drop bombs on the boss battleship to sink it!
Land at the goal to clear the stage!
If you are attacked by the enemy, you will fall down! Press the button to recover!

[About watching advertisements]
If you select "Continue" when the game is over, you can continue playing from the beginning of the stage while keeping your score after watching the video advertisement.
If you clear the bonus stage every 3 stages, a skippable video advertisement will be played.

[Material cooperation]
Sound effects and jingles
Shi-Den-Den
https://seadenden-8bit.com