Tracked since by TheoreticallyTheDev
Nobody is playing Undertale: One Left on Roblox right now. Its all-time peak is 0 players, reached on . It has been visited 405 times.
just another ulc fangame
No changes recorded since tracking began.
No changes recorded since tracking began.
No changes recorded since tracking began.
No changes recorded since tracking began.
No changes recorded since tracking began.
No changes recorded since tracking began.
Avg CCU by hour (UTC) · last 4 weeks
CCU 24h
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CCU 7d
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CCU 30d
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Rank 7d
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Visits 24h
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Favorites 24h
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Key moments in this game's history
Avg CCU by day · last 4 weeks
Undertale: One Left has 0 concurrent players right now. Its all-time peak is 0 players, reached in October 2026.
Undertale: One Left was created by TheoreticallyTheDev on Roblox.
Undertale: One Left is ranked #27,621 on Roblox by concurrent players.
Undertale: One Left has 405 total visits (405).
Undertale: One Left has a 80.0% like ratio from Roblox player votes.
Undertale: One Left was created in December 2023 — about 2 years old.
Up to 5 players can be in a single Undertale: One Left server.
Roblox lists Undertale: One Left as suitable for all ages.
Undertale: One Left was last updated in January 2026.
0
0
0
#27,621
#25,373
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80.0%
405
7
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5
79
2y 10mo
All ages
Free access
