Sphere, Inc.
Company · 2 games · all platforms
| Game | Platform | Year |
|---|---|---|
| Super Tetris | Windows 3.x | 1991 |
| Tetris Gold | Windows 3.x | 1993 |
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Company · 2 games · all platforms
| Game | Platform | Year |
|---|---|---|
| Super Tetris | Windows 3.x | 1991 |
| Tetris Gold | Windows 3.x | 1993 |