Good start - needs a little more variety, either a bigger playfield or smaller enemies, some method of autofire. And please make your music loop longer than 4 seconds!
First I was just going to comment that you should make a game with a menu instead of uploading 10 different jigsaw puzzles. Then I played it and saw that finishing the game opens up a new windows with ads. Mods, please delete this crap.
10/10 for originality and variety. 1/10 for challenge. After defeating all 4 bosses, the only reason I died was combining 1942 with tunnel. Your big ship gets trapped in the tunnel. With some slight improvements, this could be a 5/5, but right now only 4/5. Keep up the good work.
The added features make the game worse, not better. The music doesn't fit, the invaders don't speed up the way they are supposed to and why is your ship so huge?
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