Tactician (set 1) is an arcade game, and the title implies a strategy-based game. The '(set 1)' notation suggests that there may be additional sets or versions of the game. Without further information, it is difficult to determine the specific type of strategy or the exact mechanics of the game.  More details on the developers, release date, and the specific gameplay mechanics are needed for a comprehensive introduction.  The game may feature turn-based or real-time strategies.

Tactician (set 1)

Syvalion (World, prototype)