Pumpkin Head Rider is an awesome Halloween game in which you are a rider with a pumpkin head and can choose to ride a motor bike or ATV. Pick you vehicle and start the race, your purpose it to collect as much candy as possible and do tricks while in the air.
In this game you are in the role of a kung fu grandpa who is pissed of by the street gangsters who woke him up by braking his window. Give the gangsters a kung fu lesson by kicking their asses and using the money they drop to upgrade your kung fu skills.
Zombie Shooter 3D is a great survival game made with Unity 3D technology. In this game you are alone with your rifle against endless hordes of zombies. Try to kill as many zombies as possible and survive the zombie apocalypse.