Finitris is described as 'Game where the objective is to construct a finite state machine given a regular expression. This is done by placing states on the game field, and labeling the connecting arrows with particular characters' and is a educational game in the education & reference category. There are three alternatives to Finitris, not only websites but also apps for Android, Android Tablet, iPad and iPhone. The best Finitris alternative is ^E}{pressi()n$, which is free. Other great sites and apps similar to Finitris are Delivering Freight ASAP and DFA Tester.