Man in Gap (Kevin Resol)
I like Man in Gap because it's a very simple concept that can keep you playing for a long time.
Just find a gap to hide in before the roof hits the floor. Think fast! You only have a few seconds. No time to change your mind mid-way.
You can play MAN IN GAP in Kongregate. My top score was only 23.
Temporal (Oren Bartal)
Temporal has been around for some time, but I only knew about it yesterday. As a casual gamer and geek, I think twice before downloading and installing games on my computer, but this game is totally worth it.
You control a robot with a propeller on its head, who must find your way around each level by opening doors, pushing blocks and -of course- travelling back in time. Besides the puzzles there's also a story that develops as you progress in the game. If the game mechanics and time travelling are not enough to keep you playing, perhaps the story will.
Robo Rampage (Miniclip)
I can't comment on Robo Rampage because I was involved in its development, but you can read this review at Jay is Games.
The graphical presentation is excellent, the music is fine and the sound effects and voice acting complements the game perfectly. There's something strangely rewarding about playing a game that somehow manages to combine almost Tetris-like elements with your standard action fare. (Jay is Games)
Here's a video uploaded by a user:
I hope you enjoy the game, which you can play at Miniclip.com.