The number of endings in "Bysayer: The Conductor" is very large, and the trigger conditions vary from ending to different endings. The first is the first ending, which requires you to take Bart's gun (replace the gun) and turn left, and the second ending requires you to take Bart's gun (replace the gun) and turn right.
What conditions are required for the bystander's finale to trigger?
Take Bart's gun away (replace the gun) Turn left
Take Bart's gun away (replace the gun) Turn right
Take Bart's gun (replace the gun) Drag the fuse and shoot at the major
Take Bart's gun (replace the gun) Drag the fuse and pretend to be stupid with the major
Take Bart's gun (replace the gun) regardless of the fuse
Replace real gun with souvenir gun Turn left
Replace real gun with souvenir gun Turn right (the best ending)
Replace real gun with souvenir gun Drag the fuse (not found)
Replace the real gun with a souvenir gun Drag the fuse (discovered) and shoot at the major
Replace the real gun with a souvenir gun. Drag the fuse (discovered) and pretend to be stupid with the major
Replace real guns with souvenir guns, regardless of fuses