Here is the full list of all 37 King of the Bridge achievements.
Unlock the good ending.
Create two castles in a single game.
Unlock the ascension ending.
Fail to accuse three cheat moves in a single game.
Ascend two pawns in a single game.
Generate one hundred valorite scraps.
Capture three black pieces in one single move.
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.
Make the title drop in the menu screen.
Unveil all rulebook pages.
Successfully accuse the troll ten times.
Capture a black piece by moving it on a gift of knowledge as your revenge cheat.
Capture the black queen by legally moving her on a gift of knowledge.
Walk back the way you came during act one or three.
Leave behind sixteen gifts of knowledge in a single game.
Capture two black pieces with one single move.
Walk really far during chapter two.
Unlock the bad ending.
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.
Successfully accuse the troll without having unveiled the violated rulebook page.
Eat ten white pieces with a single rook.
Have three white pieces slip consecutively.
Hide your character behind the troll after completing the game at least once.
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.
Have the black queen be the only piece to have moved for twelve consecutive turns.
The two kings are the last remaining pieces.
Put the goose back on the bridge as he tries to leave.
Win a match in RAPID mode or higher.
Win a match in BLITZ mode or higher.
Win a match in BULLET mode.
Unlock the goose ending.