Ok, you win. I've revised the game a bit and uploaded a new version with (more) cheats and few more levels.

AFAIK it's not possible to complete the game without cheat. I have no more time so I can't fix this. Anyway I think it's a great game, and better with the wonderful 3D models created by Rubén.
capt-008.jpgcapt-009.jpg

Now I'll rest a bit more, and I have work to do, but I think I should finish this game.