An idea is to make a game that is ub3r challenging. Most gamers love to be challenged and feel compelled to finish a game no matter how hard or long.
Kimi wa ne tashika ni ano toki watashi no soba ni ita
Itsudatte itsudatte itsudatte
Sugu yoko de waratteita
Nakushitemo torimodosu kimi wo
I will never leave you