Perfect Balance 3 is a physics puzzle about rotating and stacking pieces of various geometric shapes and tetris shapes so that they don't fall down below. This game is the sequel to Perfect Balance 2. An iOS version of the game is also available in the iTunes store.
The game is about stacking pieces of various shapes. On each level, there are static geometric shapes and the player is given pieces that needs to be stacked on top of the existing structures. The goal on each level is to stack the shapes so that they don't fall down. All pieces can be rotated and you may place them in any order. Scoring is dictated by a subtracting counter, so the faster you do the puzzle, the more points you receive. After you complete a level, you can gain bonus points. Once all the pieces are balanced, you are given nine gems to add to your structure. Three square gems, three triangle gems and three round gems. For each diamond you manage to balance, you receive a score bonus and there are extra bonus points if you use all nine.
In order to beat the level with perfect balance, none of the pieces can rock back and forth. If the pieces keep rocking, you can still beat the level if the timer expires and none of the blocks have fallen down. If you beat a level in this fashion, you get a Almost perfect balance win which beats the level, but does not allow you to place any gems.
The game has 5 level sets with 12 levels in each set. At the start of the game, only the A level set is unlocked. In order to unlock the rest of them, you need to gain a number of total gems balanced. The B level set requires you to balance 50 gems, 100 gems for set C, 200 gems for set D and 270 gems for set E.