Data saves correctly to local files and Steam cloud servers.
The deployment of the marks a critical milestone for Round 3 Studios in stabilizing the Early Access launch of Monster Lab Simulator on Steam . Following its initial release, players engineering chemical and biological Fulu creatures encountered several progression-halting bugs. The latest series of rapid deployment hotfixes successfully addresses game-breaking tablet freezes, tutorial softlocks, and elemental mission tracking inconsistencies.
Several "soft-locks" and progression-blocking bugs have been resolved:
What are you focusing your build on?
The first hotfix, version , was released on April 1, 2026, and fixed:
The Robot Helper can now carry three items instead of one, significantly improving lab organization, and the Orb Vending machine is now freely moveable.
The Orb Vending machine is now freely moveable for better lab layout customization. Visual Stability: bhm monster lab hot fixed
Are you encountering any remaining ?
You can track the latest official patch notes directly on the Monster Lab Simulator Steam News Hub or through the Monster Lab Simulator SteamDB page.
A recent feature release introduced concurrent access to experiment objects without sufficient locking and a change to serialization format that was not backwards compatible. These regressions manifested as crashes, duped items, UI desync, and corrupted experiment state for some players. Data saves correctly to local files and Steam cloud servers
: Visual issues such as the "Hatch" prompt showing the wrong button (V instead of X) and naming inconsistencies (e.g., Oxar vs. Oksar) have been cleaned up. Gameplay Core: Reminders for New Scientists
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