It is a great 3D platformer game.
When you start playing conkers will be in a palace and he will be about to tell us his story of how he ended up king and who the people around him are and the story starts with Conker being in a bar drinking alcohol and will get drunk and he will want to go home and he will go to the phone and Berry conkers girl freind and she will be strething and conkers will be saying something like sorry berry I will be a bit late but she won't be hearing him because she will have headphone then when he is going home he will go the wrong way and he will still be drunk and you only punch and jump very small till you meat a scarecrow and he will teach you something and then he will tell you to move somewhere and under where you are standing is a platform and on the platform is a B and when you go on it it make a sound like ting and a light bulb will come over your head and he will bring out alcohol and Mr Birdy the scarecrow will take it and drink it and if you press B again he will bring out helium and Mr Birdy will take it and his voice will change if you press it again he will drink the alcohol you bring out again and he will go back to sleep there is another B somewhere else and will drink it. And this is how you learn how to use context sensitive buttons. You can also jump and then if A is pressed longer you will do a helicoptery-tail-thingy and Conker can use a frying pan to hit with the press of the B button unless you are on top of a context sensitive button, he can also swim, and at first you will swim with floaters but will later be able to swim without them. Unlike BK games where you learn moves in this game you don't really learn many moves. There are many Chapters and in each Chapter there is a Sub-Chapter. The games story is told very very well and the cutscenes and voice-acting even make it better and the game's graphics are the best seen on the system. Too bad it was already 2001 that time because the console could have even done better if it was like 1998 or 1999.
Also there is multiplayer for 2-4 players. It is fun and there are modes and they are Beach, Heist, Raptor, Tank, Race, War and then there is the Grim Reaper Mode which is all about killing. The framerate may drop in the 4 player mode if there are many explosions and everything but not in the way it may affect the game so much. There is also a cheat menu where you can write cheats and unlock things.
Well, the complaints I have about the game is that in the story there is nothing much to unlock and the story may get boring when you've finished it once but if you can play it after maybe 2-3 months you may enjoy it again. All in all the game is a great 3D Platformer with action put into it and the crude humour, bloody violence, foul language, fantastic and fun multiplayer and the other mature themes make this game on heck of a ride.