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