3-D Tetris

3-D Tetris is an attempt to translate the most famous puzzle game of all time into real space, and also one of the last titles ever released for the Virtual Boy. Instead of flat four-piece blocks, three-dimensional shapes made of small cubes fall into the pit, and the player must rotate them along every axis to fill an entire layer at the bottom. Once a layer is complete, it disappears and everything above it drops down. The rule is therefore identical to the original, just raised by one dimension, which is both a promise and a problem.

Spatial orientation turns out to be vastly more demanding. The player constantly has to track how deep the pit is and exactly where a shape will land, and even with the help of shadows and a grid, it takes a long time for the brain to adjust. This is exactly where the stereoscopic display proves useful, since the difference between the front and back row of cubes is visible at a glance, which on a flat screen would be downright agonizing. Controls use both control pads, one for movement and the other for rotation, making it one of the few games where this setup makes complete sense. The game offers several modes, including training variants with a smaller pit that serve as a necessary ongoing tutorial.

At the time it was received lukewarmly. Reviewers praised the idea but also pointed out that a conversion which strips away the original Tetris's immediate clarity loses the very thing that made the original so addictive. Historically, 3-D Tetris is interesting as one of many nineties attempts to push Tetris into space, something nobody ever quite managed to pull off properly. Today it's a game for the patient: the first half hour is frustrating, but anyone who masters the spatial rotation gets a logic challenge that can occupy long evenings. It's also a good example of how the Virtual Boy handled the added value of depth: without it, the game wouldn't just be harder, it would be flat-out unplayable.