Ultratron
Superb Shmup (Shoot em up games) extraordinarily well done. This is definitely one for the experienced shooters if you're trying to head for the top of the leaderboard. If not, you'll still have a blast. Puppygames

Download (6.8 MB)

Kaijin
If a game developer grew up playing Galaga, this is the game he'd make as a tribute. A little trivia about Kaijin: the music was written by Dean Evans (composer for the games Jurassic Park, T2, etc). Read the Missing Kaijin Companion Phelios

Download (11 MB)

Space Tripper
Inspired from Williams arcade classic, 'Defender', Space Tripper delivers probably the most furious shoot-em-up of the modern era, combined with state of the art graphics. If you like your video games tough, then this is for you. Also check out their excellent Mutant Storm PomPom Games

Download (6.2 MB)

Alien Flux
Have you got what it takes to save cute and cuddly puff balls? It will take skillful and strategic maneuvering and sharp shooter aiming. by Puppygames

Download (10.1 MB)

Demonstar
You begin Demonstar as a fighter plane being launched off into space on your mission to…well…kill! They’re the enemy and need to be eliminated so you shouldn’t feel so bad about it, ok? by Mountain King Studios

Download (5 MB)

Frenesia
Frenesia is a fun and addictive arcade Shoot em Up game that will shake you up, twirl you around, turn you upside down and drop you on your head. Macgamesandmore

Download (7 MB)

Starbase Defender
You must defend our six cores from the alien threat. Starbase Defender, prepare for attack! Starbase Defender is an intense game based on a simple concept: defend your starbase from waves of nasty aliens who want to steal your precious gate cores. by Bigger Planet

Download (6 MB)

Shoot Things (free)
This game was inspired by great retro arcade games: Nemesis (Gradius), Asteroid, Super Cobra (Scramble), and Space Invaders. by arekkusu See more free mac games

Download (6 MB)

Bugatron
Bugatron is the ultimate arcade combination: it starts with classic retro arcade fun and then takes it into a new dimension -- literally! Redmarble Games

Download (16 MB)

Antigen (free)
Wash your hands then get down and dirty to anihilate the germs and viruses trying to get you! by Laughing Dragon. See their other game Derelict

Download (6 MB)