Update
Balance changes, new additions, fixes, the usual stuff. Faster updates when? Idk, get some free halloween skins lil bro, go farm some aura.
Nov 16, 2025, 7:00 PM UTC → Nov 17, 2025, 3:00 AM UTC · Past event
ROBLOX EXPERIENCE
Undertale Test Place Reborn
Player charts, codes and events in one place.
Player history
See how the crowd changes over time
Undertale Test Place Reborn735Oct 9, 04:03 UTC
Players online at each check · Times in UTCAbout the numbers ↗
7d change: -110 players (-13%)
Dashed connectors span more than 30 hours; their slope is only a guide between real samples.
735players at last check
+70players vs. yesterday
74324h recorded peak
2,096all-time recorded peak
24-hour change
+70+10.5% · playersCompared with Oct 8, 04:03 UTC7-day change
-110-13.0% · playersCompared with Oct 2, 04:00 UTC30-day change
—playersMatching baseline not recorded yetREWARDS & REDEEM CODES
Undertale Test Place Reborn codes
Latest source check: Oct 9, 2026
Check for Undertale Test Place Reborn codes, copy a reported code and open its source for redemption instructions. We have not tested redemption, and reports can change.
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About redeeming Undertale Test Place Reborn codes
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DATES WORTH KNOWING
Browse events ↗Undertale Test Place Reborn events
Plan your next visit, or catch up on past events.
GASTER
Someone will visit our realm through the VOID, he the scientist who awaits for you to knock at their door, only to push you to a DARK, YET DARKER place. How to unlock Gaster: Wait for the door to spawn in the map (spawns in private servers too), then enter it alone or with friends, and survive the last phase of the boss! If everyone dies in a phase, it's game over. After getting the badge, simply press "PLAY" and wait 5 seconds for Gaster to enter your realm.
Nov 12, 2024, 11:30 PM UTC → Dec 15, 2024, 11:30 PM UTC · Past event
sansman888 Returnal
By defeating the sansman888 boss, you are granted the "Save the world" badge, which gives you some cool skins, the battle alone will grant plenty of fun, and frustration, because this time he's not letting you win that easily. sansman spawns each 1 and a half hours, between that timeframe, developer copies may spawn and try to be a nuisance on the server, defeat them! How to beat teamers? Team against them.
Sep 17, 2025, 2:00 AM UTC → Oct 1, 2025, 2:00 AM UTC · Past event
Gaster Event
A confirmed date for the return of the Gaster Event, prepare yourself and some friends to return to battle to unlock this character!
Apr 18, 2025, 6:00 PM UTC → May 15, 2025, 6:00 PM UTC · Past event
Hacked Update
In this update we have: 2 new characters (Gerson and Sans) Skins for Undyne, SSChara, Jevil Free reactive cosmetics and MORE... see you there, dirty hacker.
Apr 19, 2026, 1:00 AM UTC → Apr 26, 2026, 1:09 AM UTC · Past event
About Undertale Test Place Reborn
In this game, it's KILL or be KILLED. Fight, unlock skins, become better and better. Be Asriel, Asgore, Frisk, Sans, Chara, Undyne, Jevil, Gerson or Gaster, and fight others. Thumbs up if you like…
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