For a quick and addictive action game splurge, check out the recently released Angry Faic, by Kable Monck of Kobomb.
Similar to Kill the Pacman presented here way back a few years ago, Angry Faic is an arcade action game of skill that has you perpetually falling from the sky, constantly trying to land on tiny passing emoticons of a matching color. With each hit, your character will bounce higher giving you more chances to land on other emoticons. You are given a set number of lives which will decrease each time you land on a face of a different color. Press [A], [S], [D], and [F] keys to switch colors, hopefully in time to hit the same colored character and to keep your combo growing.
Analysis: Angry Faic is great fun to play in a short amount of time. If all you have is 10 minutes for a break, check this game out and enjoy its simple but polished gameplay. It's sweet that this game has a high score board, since for many people this will be one of the biggest motivators to play. My only complaint is that it seems that the emoticons come out purely at random, thus on many occasions leaving me without anything to land on. All I could do was watch helplessly as my character continued his vicious falling cycle after my painstakingly built-up combo was lost.
But that doesn't mean skill isn't the primary factor in how high a score you can achieve, and with the addictive nature of the game, I think you will easily find yourself having more fun than expected. Guess you'd better get practicing...