Martlet's Fun Adventure!

Martlet's Fun Adventure is the simple and fun family-friendly platformer fanhack of Sonic the Hedgehog 1 on the Sega Master System, starring Martlet from Undertale Yellow, where nobody has to die! (Except pretzels. Loooots of tasty pretzels.) The premise of the game is simple, taking place a few years after Undertale Yellow right before UNDERTALE starts, with Martlet going on a fun little adventu…