How to play Arengius on Mac

Can you save the world from Arengius? The whole galactic federation is under attack by the gigantic organism known only as Arengius! Having created the Skeleton Robot army, it's bent on galaxy domination! With the federation army under attack on all fronts, only you have a chance to stop Arengius and save the galaxy! Pilot your space fighter through the enemy stronghold, stopping at nothing to annihilate these threats to all sentient life! There's a whole bunch of features! - 13 stages with unique hazards and design! - Engage powerful bosses, escalating from sand worms and giant slimes until you fight Arengius itself! - Amass enough turrets, options and sidecannons to cover the whole screen in bullets! But take care - all of them are lost if your ship explodes! - 6 ships with different armament and playstyle! - Newly written chiptune soundtrack using NES limitations for an authentic retro experience! - Does the game feel too lenient and easy? Turn off your shield and turn on Scatter mode! Every damage is lethal and you start each level without powerups! - Does the game feel too hard? Easy mode doubles your shield gauge and slows down the level scrolling, introducing enemies at a much more manageable pace!