Sol-Feace (1991) is a 2D shooter with weapon power-ups. The game features six levels: Sirius, Enemy Arsenal, ArtifiStar, Pluto Base, Almathea, and Final Battle.
Along the way, various weapons can be picked up, including plasma bullets, double plasma bullets, lasers, and missiles.
The most unique feature of the game is that you can realign your upgraded guns to fire in different directions, such as front-back, up-down, tight spread, or wide spread, depending on the situation.