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Build a Reactor screenshot

[☢️] Build a Reactor

By: Infinite Assembly

Maturity: Minimal

Play on Roblox
14K+284
1 working codeRELEASE901
Codes1
Favorites
45,446
Visits
442K+
Created
May 5, 2026
Updated
Oct 11, 2026
Server Size
6
Genre
Simulation

Record: 1,089 players (October 11, 2026)

Player count

The filled area is the average of each interval, the dashed line the highest value in it.

Hourly new visits

Visits added to the game's total.

Hourly new favorites

People who added the game to their favorites.

Like ratio

Likes as a share of all likes and dislikes.

This game is measured every 8 minutes · last measured 7 minutes ago · tracked since Oct 10, 2026

About Build a Reactor

Build a Reactor is a Roblox Simulation (Tycoon) game made by Infinite Assembly. 381 people are playing it right now; it has 441,727 visits in total and 45,446 people have favorited it. 98% of players like it (14,009 likes, 284 dislikes). The highest concurrent player count we've measured is 1,089 (Oct 11, 2026). It was created on May 5, 2026 and last updated on Oct 11, 2026.

Frequently asked

How many people are playing Build a Reactor right now?
Build a Reactor is being played by 381 people right now. We measure popular games every minute.
How many visits does Build a Reactor have?
Build a Reactor has been visited 441,727 times in total.
What is Build a Reactor's player record?
The highest concurrent player count we've measured is 1,089; the record was set on Oct 11, 2026.
Who made Build a Reactor?
Build a Reactor was made by the Roblox community Infinite Assembly.
Are there codes for Build a Reactor?
Yes. Build a Reactor has 1 working code right now: RELEASE901.
When did Build a Reactor come out?
Build a Reactor was created on May 5, 2026 and last updated on Oct 11, 2026.

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