Is Underswap a real game?
Underswap (stylized as TS! UNDERSWAP), or Team Switched's Underswap, is an
UNDERTALE fangame created by Team Switched for their interpretation of the popular role-swap AU, Underswap. It began development in March 2016 using GameMaker: Studio, and now uses GameMaker: Studio 2 since late 2019.
How is Gaster in Underswap?
Underswap gaster is
the swap version of gaster but he and gaster are kinda in the same place but not really cause ut gaster wears dark clothes while swap gaster wears colorful clothes aka blue and orange clothes and haves blue and orange eyes.