Released in July 2013 by Elusive Byte
DescriptionWarning! Highly addictive action puzzle game. Single or Multiplayer. Stack the blocks to the target height, but beware these blocks are unstable.
Single and Multiplayer available, High scores and Achievements.
Give it a thumbs up if you like it.
Review of the beta version Unstable Blocks can be found on CalmDownTom review site.