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SpawnScope

Simulation · BY ULTIMATE STAMPER BUILDING GAMES

Welcome to Roblox Building Ultimate

Player counts read daily from the public Roblox API. Last collected Oct 12, 2026; the developer last updated this experience 1 month ago.

Open on Roblox ↗

Welcome to Roblox Building Ultimate on Roblox
Playing now 188 188 concurrent
Total visits 21M 20,982,789 all time
Favourites 29.5K 29,488 saved
Rating 83.1% 9,736 votes

Concurrent players over time

Concurrent players for Welcome to Roblox Building Ultimate from Aug 17 to Oct 12. Peak 369, low 140, latest 188.
Concurrent players, Aug 17–Oct 12. Peak 369 · low 140 · latest 188.
Last 24 hours+10.6%24h
Last 7 days+10.6%7d
Since tracking began-41.2%57d
Peak recorded369 Sep 6, 2026

growing Concurrent players are up 11% over the last seven days, so this is currently growing.

Update history

Roblox exposes the moment an experience was last updated. Each entry below is a point where that timestamp changed.

  1. Roblox reported a new update; first seen by us on Sep 6, 2026.
  2. Roblox reported a new update; first seen by us on Sep 3, 2026.

What the developer says

Welcome to Roblox Building Ultimate is the ultimate recreation of the original WTRB by Roblox! There are new models to build with, more tools and exclusive features! Build a house, obstacle course, security base, castle - or anything you can imagine in this sandbox building game! Everyone gets their own plot to build on using blocks and models from a variety of sets. Use the wiring and configure tools to interact…

Description as published on the experience page, read 1 hour ago.

Every reading we hold

18 daily readings across 57 days. Gaps mean the game was outside the collected cohort that day, not that it had no players.

Date read Playing Visits Favourites Rating
188 21M 29.5K 83.1%
170 20.9M 29.3K 83.1%
305 20.8M 29.2K 83.1%
145 20.8M 29.2K 83.1%
186 20.6M 28.9K 83.1%
140 20.6M 28.8K 83.1%
203 20.3M 28.2K 83.2%
369 20.3M 28.2K 83.2%
209 20.2M 28.1K 83.2%
163 20.2M 28.1K 83.2%
176 20.2M 28K 83.1%
177 20.2M 28K 83.1%
175 20.1M 28K 83.1%
341 20M 27.8K 83.1%
311 19.9M 27.7K 83.0%
199 19.9M 27.6K 83.0%
260 19.8M 27.6K 83.0%
320 19.8M 27.5K 83.0%

Experience facts

Creator
Ultimate Stamper Building Games
Genre
Simulation
Created
Jan 26, 2019
Last updated by developer
Sep 2, 2026
Tracked since
Aug 17, 2026
Roblox place ID
2785023050

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