A face-melting, pixel-pumping, Neo-Retro arcade shoot 'em up featuring awesome power-ups, epic boss battles and spectacular effects at a blistering 60fps. Blast through hordes of Alienoids in Arcade Mode, tackle endless waves of invaders in Survival Mode and battle epic level guardians in Boss Run mode. Awesome power-ups and devastating weapon upgrades including the Astro Mace and Plasma Rifle The ultimate high-score chasing arcade game, with online leaderboards and 3 difficulty modes Become a decorated Hyper Sentinel pilot with 60 challenging medals to complete 12 electrifying levels featuring epic, multi-stage boss encounters Multiple graphics options, including the nostalgia inducing Spectrum, C64 and CRT filters A face-melting love letter to arcade classics