The role of Sans is filled by his brother Papyrus, a laid-back but talented skeleton who first meets Chara upon their entry into Starlight Isles, supervising Sans's antics throughout the region.He is a famous star,doing shows in The City of Old. The role of Napstablook is filled by Mettacrit, a ghost who blocks Chara's way in Ruined Home and acts as the first miniboss of the game.A vindictive monster who lashes out against everything around them. The role of the Tutorial Dummy is filled by the Mad Dummy, a ghost who lives inside a training dummy and acts as the unwilling tutorial enemy for Chara in the fangame.The role of Toriel is filled by Asgore, a goat monster who acts as the sage of Ruined Home, saving Chara near the start of the game from Temmie's attack.The role of Flowey is filled by Temmie, a seemingly-ditzy dog/cat monster who attacks Chara when they first meet in the Underground.The role of Frisk is filled by Chara, a human child and the main protagonist who falls into the Underground after climbing Mt.On August 8, a demo teaser was uploaded onto YouTube. Due to certain conflicts, development has been delayed several times Īn April Fools demo was uploaded on a seperate page, titled as 'Underswaaap'. Currently a demo of the game is being worked on, with updated being posted every once in their Gamejolt page. Work on the game may have started around 2017 in Game Maker: Studio, and is ongoing. Most of the mechanics and concepts are similar to the original game. The gameplay is similar to Undertale, being an AU of it. The game is told through a 1st person point of view, for example, the phrase 'I am filled with determination'. The fangame itself was created with by the developers with an original experience from the source Undertale game in mind, as well as out of a dissatisfaction for the personality-swapping of characters in the popular interpretation of Underswap. Team Switched's Underswap is an alternate interpretation of the popular AU which preserves the original personalities of the swapped characters and expands on their roles to a great extent.

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