Puzzle #1:

Ofcourse alternates in move list!

decent puzzle, although the caption in the diagram header in the game window should read 0-1

Hah, sorry for that mistake!

Puzzle#2:

Puzzle#3:

 

 

 

 

 

 

 

Puzzle#4:

Are these some sort of joke...not too funny

They aren't jokes... but unfortunately not good for you!

The last puzzle.Puzzle#5:

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Oh, sorry about that mistake, ignore the knight it shouldn't be there in that puzzle.

At puzzle no 4, white is dead meat after 1.g2 Re2#. Have you noticed?

i meant g7

No i haven't

Puzzle #5 looks like mate in 5, but the solution given is 6 moves.

Puzzle#6:

By the way alternates in move list.

Puzzle #6 also has a faster solution, with fewer moves for checkmate:

Puzzle#7:

For #7, try Qe6+ Kf8, Rh8#.

Puzzle#8:

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 LOL, you beat me to it! What do you think about #6, though? That position is so dynamic, I can't help but wonder if I missed a forced mate-in-2 possibility.

Puzzle #3 ...