This game is really fun, it's similar to Bust A Move. I managed to pass several levels in the easy mode. However, after a number of attempts, the game seems to restart and I can't continue to the level I was. It's a pity, I'm not going to restart over and over again. By the way, it works on Linux with the Wine emulator.
The game is a fun shooter (it reminds me of Metal Slug a bit) but it seems not possible to redefine the keys. By default it's not possible to use the arrows and you need to use WASD to move. I can't keep playing in this way, sorry, because I always use the arrows. However, it's great that is available for Windows, Linux and Mac (I use Linux).
This game is a mixture of adventure and puzzle. The protagonist is controlled with the keyboard, but sometimes you have to use the mouse. The game has excellent graphics and a good plot, but the voices of the characters are missing, and it would be superb if they had. A very good thing is that it's available for Windows, Linux and Mac (I use Linux).