bi-directional scrolling arcade game

 Overgod is an arcade game with bi-directional scrolling where you need to
 destroy all enemies in an area in a given time. The game is a mix of the
 classic arcade games Asteroids and Thrust with a lot of additional features.
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 Overgod can also be played in two-player duel or cooperative modes, or in
 a special "Time Attack" version where enemies endlessly appear.