Ace's Heart by CraftyFerret

A dorky girl makes her equally dorky boyfriend a game for Valentine's day, and then finds a flaw in the gameplay and publishes it six days late. ALTERNATIVELY, a lamplighter moves to a new home, saves the day and narrowly avoids getting stabbed (if he's lucky).

Legacy Player: The "Play online" link above uses the new Quest Viva WebPlayer, which is currently in Beta. In case of issues, you can try the old WebPlayer.