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.
Have three white pieces slip consecutively.
The two kings are the last remaining pieces.
Eat ten white pieces with a single rook.
Unlock the goose ending.
Ascend two pawns in a single game.
Capture a black piece by moving it on a gift of knowledge as your revenge cheat.
Create two castles in a single game.
Hide your character behind the troll after completing the game at least once.
Make the title drop in the menu screen.
Unlock the bad ending.
Walk back the way you came during act one or three.
Successfully accuse the troll ten times.
Capture three black pieces in one single move.
Capture the black queen by legally moving her on a gift of knowledge.
Capture two black pieces with one single move.
Move a black piece that does not work out of town, out of town as your revenge cheat.
Generate one hundred valorite scraps.
Unveil all rulebook pages.
Capture the black king with a white queen as your revenge cheat.
Leave behind sixteen gifts of knowledge in a single game.
Fail to accuse three cheat moves in a single game.
Successfully accuse the troll for the first time.
Walk really far during chapter two.
Put the goose back on the bridge as he tries to leave.
Unveil ten rulebook pages.
Unlock the good ending.
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.
Win a match with at least ten white pieces remaining.
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.
Unlock the ascension ending.