Today’s Amazon Free App of the Day is Super Crossfighter (4.5/5 stars, guidance suggested, FREE today only). From Amazon:
The award-winning Super Crossfighter (formerly Super Crossfire) is back with a vengeance! Old school arcade shooting meets dazzling graphics and energetic music. Blast alien invaders while warping between the top and bottom of the screen in this heart-pumping adventure from Radiangames. Unlock upgrades and acquire special power-ups as you obliterate wave after wave of enemies. With a massive campaign, intense action, and eye-popping visuals, Super Crossfighter sets a new standard for arcade action.