Exa Innova
Platform: MSX
Region: Japan
Media: Cartridge
Controller: Keyboard
Genre: Shoot 'em Up > Vertical 
Gametype: Undefined
Release Year: 1983
Developer: Programmers 3 
Publisher: Complie
Players: 1 - 2
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Wataru - Forerunner of Zanac and Aleste (27-02-2006 20:00) 
This is an important game, and highly underestimated, for the shooters-genre on the MSX-system, because this is the first game in which the enemy forces react to your actions, although not on the same level as in Zanac, instead of just following a simple procedure.

This "intelligence" system would be worked out far better in the Zanac and Aleste games.

Some Zanac and Aleste enemies can already be seen here.

http://www.generation-msx.nl/msxdb/softwareinfo/97