It was one of three contenders, alongside "GoBlocks" and "Roblox".
: The site officially went public on July 27, 2004 , with a logo featuring a macron over the "O" to signify a long vowel sound. dynablocksbeta 2004 exclusive
The 2004 version was a simple physics simulator. One of the earliest recorded games was "John's Puzzle Game," where players had to build unbreakable bridges. It was one of three contenders, alongside "GoBlocks"