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