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