by darkstarrd·Motion Graphics
Images © darkstarrd. Used for product review; image policy.
Tetrominode stands out in the Blender extensions library as a complete Tetris game built entirely on Geometry Nodes and Shader Nodes, with procedural chiptune audio and the option to bake sessions into keyframed animations.
Tetrominode brings a fully functional game of Tetris into Blender as an add-on. It leans on Geometry Nodes for high-performance instancing and Shader Nodes for its visuals, so the board and pieces are driven by Blender's own node systems.
Each Tetromino can carry its own materials, colors, and bevel settings, or use shared styles. Rendering updates in real time with smooth animations, including line-clear transitions. A built-in AI with 1-ply and 2-ply search depths can play automatically, while procedural 8-bit chiptune music (Korobeiniki) and sound effects run through Blender's aud system. Sessions can be recorded and baked into keyframed animations for your scenes, and the interface natively supports 12 or more languages.
The add-on is compatible with Blender 4.2 LTS and newer and is released under the GNU General Public License v3.0 or later. You install it as a ZIP through Preferences, then open it from the View3D sidebar, run the one-time asset and Geometry Nodes setup, and start playing with the arrow keys.
Tetrominode is best for blender users who want to play Tetris inside the app while experimenting with Geometry Nodes and Shader Nodes visuals, or bake recorded sessions into keyframed animations for their scenes.
Tetrominode is completely free to download and use.
Tetrominode lists compatibility with Blender 4.2 LTS and newer, so that LTS release and later versions are covered. The add-on is written entirely in Python and relies on Blender's Geometry Nodes and Shader Nodes, which are available in those versions, plus Blender's built-in aud system for its audio. If you run a build older than 4.2 LTS, the developer's page on GitHub is the best place to confirm behaviour before installing, since support is stated from 4.2 onward.
Tetrominode installs like a standard Blender add-on. Download the repository as a ZIP, then open Edit → Preferences → Add-ons → Install, select the ZIP file, and enable Tetrominode from the list. On Blender's extensions platform you can also drag and drop it into Blender or install it from disk. Once it is enabled, open View3D → Sidebar → Tetrominode, click Setup Assets and Setup Geometry Nodes the first time only, then use Start or Resume to begin playing.
Tetrominode uses the arrow keys by default to move and rotate pieces once you start a session. You reach the game from View3D → Sidebar under the Tetrominode tab, run Setup Assets and Setup Geometry Nodes on first use, then click Start or Resume to play. If the default keys don't suit you, keybinds can be changed in the Advanced Settings. A built-in AI with 1-ply and 2-ply search depths can also play the game automatically for you.
Tetrominode does not require special permissions according to its Blender extensions listing. It is distributed under the GNU General Public License v3.0 or later, and it is listed here as free. The add-on is implemented fully in Python and draws on Blender's own Geometry Nodes, Shader Nodes, and aud audio system rather than external dependencies. For the current license terms and any updates, the developer's GitHub page is the place to check.
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