KinderGarten game(by Fourty-two aka 42.)

In a Nutshell, KinderGarten game(by Fourty-two aka 42.)...

• ...
  has had 106 commits made by 3 contributors
  representing 19,263 lines of code
• ...
  is mostly written in Java
  with a well-commented source code
• ...
  has a codebase with a very short history
  maintained by nobody
  with stable Y-O-Y commits
• ...
  took an estimated 5 years of effort (COCOMO model)
  starting with its first commit in March, 2006
  ending with its most recent commit almost 19 years ago