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