[quote=ielle;#234227;1342382067]4. Contra NES, 1987[/quote] This game can be beat easily by up, up, down, down, left, right, left, right, b, a [quote=ielle;#234227;1342382067]1. Battletoads NES, 1991[/quote] and with this: hold down, a + b, start [quote=PUSH;#265728;1344204365]A tough game i have played also is this [img]http://apkfreedownload.com/wp-content/uploads/Machinarium-Screenshot.jpg[/img] Its not extremely tough, but gee its seriously mind boggling. You really have to think hard to solve the puzzle and what machinarium thinks. Anybody played this?. First levels are easy but the more you play, the more ud click on the hint button. I got lost in some levels til i hit the hint button (which is considered as cheating ) [/quote] Is this a mobile game? One of the toughest game I played is the mind blowing [b]Professor Layton[/b] game series. [img]http://www.blogcdn.com/www.joystiq.com/media/2008/09/professor-layton-level-5.jpg[/img] If you think the puzzles in this game are so childish and can be easily solved even by a kid, well better try it for you to find out.