There are variations of games based on falling objects, but the idea of this title to use gravity to move the blocks being stacked is original.
　
But the reason this game is so highly praised is its high degree of completion provided by the surprising detail.
　
In Easy mode, even if the blocks just stacked up any old way, they can be moderately deleted to make the game easy to enjoy, and in Hard mode, things get tough fast if you can't keep up deleting the blocks.
This game balance has been appropriately set to make it fun to play.
Even when it looks like the blocks will all be stacked up, fate can help out by shaking the beaker to provide an accent to the good feeling and make you want to play the game again. The graphics, background music, and screen presentation are seamlessly integrated to strengthen the title image.
　
There are various block (graviton) types and sizes, which increases the depth of play and a good menu offering single player, vs. CPU, 2 players, and optional setting selections show the degree to which the creators paid attention to detail.
　
The production team firmly held the professional perspective "whether this will be a product."

This is a falling object game with a new feeling.
Adding "shaking" action to the physical calculation looks orthodox at a glance, but this falling object game transforms into an "active falling object game" to enrich the game feeling.
　
Even more than the game feeling, the cyber mode of the sound and the presentation of the visuals makes the play exciting and provides a new way of playing.