Pushover is a faithful reimplementation of the game with the same name published in 1992 by Ocean.
It contains the original levels. The graphics and sound are very similar when compared with the original game.
It has been written by Andreas Röver and al. I've modified version v0.2 to fit caanoo screen size, add a joystick handler etc ...
Sources are included, and this package is under the GNU v3 public license, read doc files for more information about it.