Here is the full list of all 37 King of the Bridge achievements.
Unveil all rulebook pages.
Unlock the bad ending.
Win a match in BLITZ mode or higher.
Win a match in BULLET mode.
Win a match in RAPID mode or higher.
Unlock the good ending.
Eat ten white pieces with a single rook.
Walk really far during chapter two.
Capture the black king with a white queen as your revenge cheat.
Generate one hundred valorite scraps.
Unlock the ascension ending.
Fail to accuse three cheat moves in a single game.
Hide your character behind the troll after completing the game at least once.
Unlock the goose ending.
Capture two black pieces with one single move.
Capture three black pieces in one single move.
Put the goose back on the bridge as he tries to leave.
Successfully accuse the troll ten times.
Capture the black queen by legally moving her on a gift of knowledge.
The two kings are the last remaining pieces.
Leave behind sixteen gifts of knowledge in a single game.
Ascend two pawns in a single game.
Unveil ten rulebook pages.
Capture a black piece by moving it on a gift of knowledge as your revenge cheat.
Successfully accuse the troll for the first time.
Walk back the way you came during act one or three.
Create two castles in a single game.
Complete the game in under fifteen minutes.
Complete the game in under ten minutes.
Successfully accuse the troll without having unveiled the violated rulebook page.
Have three white pieces slip consecutively.
Win a match with at least ten white pieces remaining.
Move a black piece that does not work out of town, out of town as your revenge cheat.
Unlock all achievements.
Win a match without consecutively moving the same piece twice.
Have the black queen be the only piece to have moved for twelve consecutive turns.
Make the title drop in the menu screen.