Yin Yang Tokens are special tokens in Freedom Planet. These tokens are hidden in every stage, except Final Dreadnought (rounds 3 and 4). Yin Yang Tokens are the key to the Bonus Level. If you find a Yin Yang Token before completing a stage, you will be able to visit the Bonus Level afterwards (played only during Adventure and Classic Modes).
Locations
Aqua Tunnel
The token is located at the beginning path of the last area right where the path ends hidden behind a fake wall.
Dragon Valley
Relic Maze
The token is in the Eye Golem room in the purple area hidden bottom of the level behind fake wall.
Fortune Night
The token is located in Zao's shopping paradise in the section with a pipe left side.
Sky Battalion
The token is in Metal ship in the section with spinning electric wheels and the Hopper MKII. Right after getting to the other side, detonating the Bombs will blast a hole to the floor where the token is.
Jade Creek
Trap Hideout
Thermal Base
The token is right at the end of the level in the room leading to the boss, Syntax (Flame Armour).
Pangu Lagoon
The token is in the last part of the first half of the stage. Climb up a vine to the top, the token will be right above a Treasure Chest.
Battle Glacier
The token is near the end of the level, past the Spider Beamer and before the area with Shade Troopers and the missile drills.
Final Dreadnought (Round 1)
The token is right before the Enemy Ambush section. be careful not to fall to not miss the token next the pit.