Description

>> DISCLAIMER: This game is not made by the developers of old ULC, or JustAdrian02. We are currently undergoing numerous changes. <<

⭐️ Undertale: Last Corridor is a game based on Undertale and its AUs (Alternate Universes). You can play on the Chara Team and work together with your teammates to defeat your enemy β€” or play on the Sans Team, taking on your numerous foes with varying powers and movesets. 

πŸ† Win rounds to become stronger, gaining access to more powerful options to play with on both teams. 

Credit to the creators of all songs / AUs used in-game for their work. 
Credit to Toby Fox for creating Undertale.

πŸ“‘ Join the communication server for ULC at the social link below! Interact with the community, receive updates and sneak peeks on upcoming content, and information about the game! 

Premium users get the Underswap Sans character for completely free.

>> NOTICE: This game contains bright and flashing lights. Play at your own discretion and review the content labels. <<
  • Active

    157

  • Favorites

    60,995

  • Visits

    29.3M+

  • Voice Chat

    Not Supported

  • Camera

    Not Supported

  • Created

    9/22/2022

  • Updated

    5/3/2025

  • Server Size

    4

  • Genre

    Action

  • Subgenre

    Battlegrounds & Fighting

Private Servers

Visit this experience with friends and other people you invite.
See all your private servers in the Servers tab.

Badges

  • MULTIPLAYER: Reset

    Perform a RESET. Unlocks great power for both teams.

    • Rarity
      0.2% (Impossible)
    • Won Yesterday
      5
    • Won Ever
      30584
  • SINGLEPLAYER: Sans (Underswap)

    Defeat Underswap Sans in the Singleplayer gamemode. Unlocks Distrust Sans in Multiplayer. ZHVzdHkgaGFuZHM=

    • Rarity
      1.8% (Insane)
    • Won Yesterday
      48
    • Won Ever
      225896
  • SINGLEPLAYER: Sans (Undertale)

    Defeat Undertale Sans in the Singleplayer gamemode.

    • Rarity
      2.0% (Insane)
    • Won Yesterday
      52
    • Won Ever
      234585
  • Passes

    There are currently no running experiences.