question: before you can open a usr file, you'll need to figure out what kind of file the usr file extension refers to.
Capitalize this past sentence correctly.
A: Before you can open a USR file, you'll need to figure out what kind of file the USR file extension refers to.

question: other games like robo run
Capitalize this past sentence correctly.
A: Other games like Robo Run

question: the book was accepted by blaschke for the hamburg monograph series but the two authors ran into problems with a latin epigraph which they wished to put at the beginning.
Capitalize this past sentence correctly.
A: The book was accepted by Blaschke for the Hamburg monograph series but the two authors ran into problems with a Latin epigraph which they wished to put at the beginning.