Here is the full list of all 52 Ninja Reflex: Steamworks Edition achievements.
Play any multiplayer game.
Play a Multiplayer game with 2 people.
Play a Multiplayer game with 3 people total.
Play a Multiplayer game with 4 people total.
Win 10 Multiplayer Games.
Win 30 Multiplayer Games.
Win 50 Multiplayer Games.
Win a Koi Multiplayer game with a fastest reaction of 20ms or quicker.
Win a Koi Multiplayer game with an Average Reaction Time of 2.00 seconds or faster.
Win a Koi Multiplayer game with a score of 25 or better.
Win a Katana Multiplayer game with a fastest reaction of 100ms or quicker.
Win a Katana Multiplayer game with an Average Reaction Time of 600ms or faster.
Win a Katana Multiplayer game with a perfect score of 12.
Win a Nunchaku Multiplayer game with a fastest reaction of 625ms or quicker.
Win a Nunchaku Multiplayer game with 0 strikes.
Win a Nunchaku Multiplayer game with a score of 40 or better.
Get straight As on ANY Belt Test.
Get straight As on ALL of the 10 Belt Tests! The Ultimate Test for the ULTIMATE NINJA!
Catch every firefly in the Credits.
Earn your White Belt.
Earn your Red Belt.
Earn your Yellow Belt.
Earn your Orange Belt.
Earn your Blue Belt.
Earn your Green Belt.
Earn your Purple Belt.
Earn your Brown Belt.
Earn your 1st Degree Black Belt.
Earn your 2nd Degree Black Belt.
Earn your 3rd Degree Black Belt and complete the game!
10 of 60 Gems Earned.
20 of 60 Gems Earned.
30 of 60 Gems Earned.
40 of 60 Gems Earned.
60 of 60 Gems Earned.
50 of 60 Gems Earned.
Complete 'Why Meditate?'
Complete the Guided Meditation.
Complete the 1 Minute Silent Meditation.
Complete the 3 Minute Silent Meditation.
Complete the 5 Minute Silent Meditation.
Complete the 10 Minute Silent Meditation.
Complete the 15 Minute Silent Meditation.
Edit your Ninja Name.
Get all 6 Gems on any one Belt Rank.
Watch all 6 intro movies in their entirety.
Get a lock on reaction time of 30ms or faster in Shuriken.
Get a grab reaction time of 50ms or faster in Koi.
Get a reaction time of exactly 0ms in Hotaru.
Get a reaction time of 50ms or faster in Hashi.
Get a block time of 30ms or faster in Katana.
Finish a Nunchaku game without whiffing any targets.