Expert Challenge Stages
If you complete all 50 single-player chapters, 10 more are unlocked. They do not show up on the leaderboards and can not be played in multiplayer, their only purpose seems to be a personal challenge.
Contributed By: BobDole1216.
New N+ Gamer Picture
Beat the expert level challenges to unlock a new N+ gamer picture to use with your Xbox Live Gamertag. The gamer picture features a black ninja with the red headband jumping through the air.
Unlockable How to Unlock Secret N+ Gamerpic Beat Episodes 0-49
Contributed By: Cloud7654.
*There are 1 secret achievements. show
Achievement Description Value Complete 10 Co-op Episodes Complete 10 co-op episodes. 15 Complete 15 Episodes Complete 15 Single Player episodes. 10 Complete 30 Episodes Complete 30 Single Player episodes. 15 Complete 40 Episodes Complete 40 Single Player episodes. 20 Complete 5 Co-op Episodes Complete 5 co-op episodes. 15 Complete 50 Episodes Complete all 50 Single Player episodes. 25 Disciple Complete one tutorial episode. 5 Perfectionist Complete an episode without dying in Single Player mode. 20 Practice Makes Perfect (secret) Die 1000 times in Single Player mode. 15 Speed Demon Win 10 races in ranked online matches. 20 Survivalist Win 10 survival games in ranked online matches. 20 Treasure Hunter Complete an episode and obtain every gold piece in Single Player mode. 20
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