Build a base RNG
Build a base RNG Events: Admin Abuse Countdown and What’s Next
Build a base RNG is bringing its Admin Abuse event back for a second run. The next session is set for Saturday, August 1, 2026, from 1:00 to 1:30 p.m. ET (10:00 a.m. PT, 6:00 p.m. UK time), a half-hour festival-style drop in the same mold as July’s debut session. With just a few days to go, more than about 13,000 players have already marked themselves as going, already more than the debut drew across its entire run.
The original Admin Abuse ran on July 18, 2026, and finished with more than 5,000 interested players. Before that, the developer ran a week-long Boss Waves update that closed on July 17. With a repeat of Admin Abuse landing roughly two weeks after its debut, the event looks like it is settling into a recurring slot rather than a one-off.
This page is where to check what is live and what is coming next for Build a base RNG, and we keep it current as the developer announces new events. Exact start times and windows are in the schedule below. Last updated July 29, 2026.
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Upcoming events1 scheduled
UPD + ADMIN ABUSE
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Aug 1, 1:00 PM – 1:30 PM ET
Recently ended2 wrapped
ADMIN ABUSE
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Jul 18, 1:00 PM – 1:45 PM ET
Boss Waves 🧟♀️
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Jul 10, 1:00 PM – Jul 17, 1:00 PM ET
A boss-fighting stretch in Build a base RNG where players take on a set of unique bosses, each with a chance to drop its own relic, and those relics feed into crafting special weapons.
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The next Admin Abuse event
Admin Abuse returns on Saturday, August 1, 2026, running from 1:00 to 1:30 p.m. ET (5:00 p.m. UTC, 10:00 a.m. PT, 6:00 p.m. UK time). Like the first one, it sits under Roblox’s festival category. The window is a little shorter this time at 30 minutes, against the 45 the debut ran. With only a few days left before it opens, more than about 13,000 players have already registered interest, already ahead of the debut’s full turnout.
How Admin Abuse has run so far
The first Admin Abuse session took place on July 18, 2026, from 1:00 to 1:45 p.m. ET and closed out with north of 5,000 interested players, a strong turnout for a game still early in building an event calendar. The August 1 return lands about two weeks after that debut and keeps the same 1:00 p.m. ET start time, which points to a consistent weekend-afternoon rhythm for the event.
Boss Waves, the update before it
Ahead of the Admin Abuse sessions, the developer ran Boss Waves, a new-content update that stayed open for a full week from July 10 to July 17, 2026, with each end of the window falling at 1:00 p.m. ET. It added a set of unique boss fights, with each boss carrying a chance to drop its own relic, and those relics feeding into crafting recipes for special weapons. Quality-of-life changes came bundled in as well. Interest sat in the high 200s, a fraction of the Admin Abuse turnout, which fits the pattern of a content patch drawing less sign-up traffic than a scheduled live session.
Frequently asked questions
When is the next Build a base RNG event?
The next event is Admin Abuse on Saturday, August 1, 2026, from 1:00 to 1:30 p.m. ET. It is a repeat of the event that first ran on July 18. Any later additions will appear in the schedule above.
What time does the Admin Abuse event start?
Admin Abuse starts at 1:00 p.m. ET (5:00 p.m. UTC, 10:00 a.m. PT, 6:00 p.m. UK time) on August 1, 2026, the same start time the July 18 session used.
How long is the Admin Abuse event?
The August 1 session runs 30 minutes, from 1:00 to 1:30 p.m. ET. The first Admin Abuse on July 18 ran a bit longer at 45 minutes.
How many players are interested in Admin Abuse?
More than about 13,000 players had marked themselves as going for the August 1 event as of this writing, with only a few days left on the clock. That already tops the July 18 debut, which finished with north of 5,000 interested.