Build a Base and Steal — the replayable fun games steal-sim tycoon

What Build a Base and Steal is

Build a Base and Steal is a Roblox simulator/tycoon hybrid developed by replayable fun games (Roblox group ID 540612760). The official Roblox place ID is 132016691802922 and the universe ID is 10356701370. The live title currently carries the [UPD] prefix and a devil emoji in the in-game header and on trackers like OP.GG, Rolimons, and earnaldo.

The game loop is split into three intertwined systems:

1. Build — claim a base tile, place walls, drop Egg Mystery holograms.
2. Pets — roll the Egg Mystery hologram to claim pets that produce cash per second.
3. Steal — visit other players’ bases on a 6-player server and grab any unclaimed or unprotected pet.

Each of those loops resets when you Rebirth, the long-term progression arc.

The developer and the biweekly cadence

The developer’s Roblox community page shows a steady cadence of biweekly Saturday updates since release. The AllThings.How huge-update write-up and earnaldo’s hub confirm the pattern: a content patch (new event, pet tier, or gamepass) drops roughly every two weeks on Saturday, with smaller mid-week hotfixes for balance or code additions.

Because of that cadence, anything published by replayable fun games inside the in-game Patch Notes dialog should be treated as more authoritative than third-party trackers — those trackers lag by 24–72 hours and occasionally print stale codes.

Server, visits, and CCU

The Roblox games metadata API (snapshot 2026-07-30) reports:

• Max players per server: 6.
• Total visits: ~37.5M.
• All-time peak CCU: 59,260 (Rolimons).
• 24h average CCU: ~22,900 (Rolimons).

Cross-platform on Roblox (Windows, macOS, iOS, iPadOS, Android, PlayStation 4/5, Xbox One, Meta Quest). Maturity rating: Minimal per OP.GG.

Why the [UPD] prefix matters

When the live title carries [UPD], you’re looking at the post-patch version. Third-party trackers and code sites frequently print pre-patch strings (e.g. “Happy30KCopy” or “WeHit30KCopy”) that the active build no longer accepts. The codes page tracks the active and expired buckets separately so you can tell at a glance which strings are still being redeemed in-game.

What’s not in the game yet

There are no published Roblox badges for Build a Base and Steal as of the verification date (Roblox badges API returns an empty list for universe ID 10356701370). The wiki surfaces this as an explicit data point — anything that claims a “build a base and steal badge” should be treated as third-party content, not an in-game reward.

What to read next

• New players: Start with the Beginner Guide — first 5 minutes and the wall-first defensive rule.
• Returning players: Open the Codes Status page to check whether the [UPD] code system is live and which strings are still being redeemed.
• Comparison shoppers: See Similar Games for the closest Roblox steal-sim, base-defense, and pet-tycoon comparators.

Sources and verification