OpenBuild
A downloadable game for Windows, macOS, and Linux
OpenBuild is a topdown free cross-platform sandbox game
Its made in Java 21, Meaning any OS (Unix, Linux, macOS, Windows) supporting JRE 21 (except iOS and Android) can run the game smoothly
Controls
WASD: Move
M: Place
LShift + WASD: Remove block above/below/next to you
K next to a bloc: Interact (e.g open doors)
Tab: Change Block (preview in bottom panel)
Ctrl-X: Save world as folder (in data/saves)
Ctrl-C: Load world (from data/saves)
V: Open Command Panel
P: Open Block Selector Menu
1/2/3/4: Change inventory slot
B: Remove all blocks
Escape: Pause menu
| Status | In development |
| Platforms | Windows, macOS, Linux |
| Author | seriouzgames |
| Tags | Sandbox |
| Content | No generative AI was used |
Download
Download
OpenBuild-v1.6_03.7z 56 MB
Download
OpenBuild Scripting Guide.pdf 129 kB
Download
OpenBuild v1.6_02.7z 56 MB
Download
OpenBuild 1.6_01.rar 56 MB
Download
OpenBuild-1.5.0.rar 56 MB
Download
OpenBuild-1.4-snapshot_2.rar 30 MB
Download
OpenBuild-snapshot1-v1.4.0.rar 86 MB
Download
OpenBuild-v1.3.0.rar 86 MB
Download
OpenBuild-v1.2.0.rar 74 MB
Download
OpenBuild-all-v1.1.rar 26 MB
Download
OpenBuild-all-v1.0.rar 23 MB
Install instructions
Step 1. Get JRE 21 (sometimes they just refuse and only give jdk 21, which still will work but will take up more space)
Step 2. Download the RAR file from this page
Step 3. Extract it
Step 4. Double click on the JAR file (Make sure you installed JRE/JDK 21)
Step 5. Enjoy
Development log
- Update v1.6._03!Mar 25, 2025
- Update v1.6_02!Mar 20, 2025
- Update v1.6 pre release 1!Mar 16, 2025
- Environmental Update!Mar 13, 2025
- Update "Modder's Field Trip"Mar 09, 2025
- Update "Modder's Dream"Mar 07, 2025
- Update "Worevamp!"Mar 02, 2025
- Update v1.2!Feb 28, 2025





