If you collect all of the metal plates, the message at the end says:
IT'S KIND OF LIKE Metroid...
Including ico
Anton Kolm's birth name is Gustav Anton Kolm.
Ron Kolm was born in 1947.
Henry Kolm died in 2010.
Henry Kolm was born in 1924.
Serge-Christophe Kolm was born in 1932.
If you mean Kolm the story about the lost robot then I have an answer. There could possibly be a Kolm 3 because if you notice when you enter the second Kolm it says who found a friend... dot dot dot. So it could be continued. Maybe.
Walter Kolm-Veltée died on 1999-03-08.
Walter Kolm-Veltée was born on 1910-12-27.
Anton Kolm died on October 11, 1922, in Vienna, Austria.
Anton Kolm was born on October 12, 1865, in Vienna, Austria-Hungary (now Austria).
I completed the game in god mode.