DMG Express by rembrandx

DMG Express invites you on a slow-paced trip by train, through a long scrolling landscape, past train stops and vending machines.
Controls:

GameboyKeyboard
AALT, Z, J
BCTRL, K, X
StartENTER
SelectSHIFT
Game play:

• The A-button is used to confirm options or continue in dialogs
• The B-button is used to go back
• Start gives you the main menu
• Select (or A) gives you an options menu in the train and at stops
• left & right arrows let you speed up or slow down the train

There is also a secret button combination if you want to skip ahead on train rides or stops but they will impact your health.
The keyboard controls seen here, are for QWERTY, so yours may differ depending on the keyboard layout you use.