Building 731.
Tracked since by Creators Against Removing Support for Legacy Chats
Performance
Profile
Concurrent players
Metrics over time
About & history
About
Based off of the gory war crimes the japanese commited,
Tracked since by Creators Against Removing Support for Legacy Chats
Based off of the gory war crimes the japanese commited,
Avg CCU by hour (UTC) · last 4 weeks
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.
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
How many people play Building 731. right now?
Building 731. has 0 concurrent players right now. Its all-time peak is 0 players, reached in September 2026.
Who made Building 731.?
Building 731. was created by Creators Against Removing Support for Legacy Chats on Roblox.
Is Building 731. popular?
Building 731. is ranked #26,585 on Roblox by concurrent players.
How many visits does Building 731. have?
Building 731. has 63 total visits (63).
When was Building 731. created?
Building 731. was created in December 2024 — about 1 year old.
How many players can join Building 731. at once?
Up to 50 players can be in a single Building 731. server.
Is Building 731. appropriate for kids?
Roblox lists Building 731. as suitable for all ages.
When was Building 731. last updated?
Building 731. was last updated in August 2025.
0
0
0
#26,585
#26,343
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63
3
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50
18
1y 9mo
All ages
Free access