About
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…
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