Arnold

Fun little shooter, not too hard to finish in less than an hour (even with skills as bad as mine.). Nothing frustrating about it, good to play when you are feeling unsure what other game to commit too. Achievements: Easy to get all achievements, though it is a Limited game, so won't show up on your perfect game profile. Wouldn't pay more than $1 for it though.

Simple and exciting arcarde platformer game for in between. It costs almost nothing and can definitely recommend to give it a try.

If you love spaceships, shooting aliens and awesome music then this is the game for you, with this lovely 2D space game all you needs will be met. And earn some easy achievements while you're at it.