As noted by Alejandro Aguirre, the Time Sprint mode is usually called "Rush" or just "Blitz", e.g. the Puzzle Rush at chess.com and Blitz in Fast Chess. We should rename this game mode to be more consistent/recognisable.
DK: "Lyn"
DE: "Blitz"
EN: "Blitz"
ES: "Relámpago"
At the same time, we should simplify the Unlimited Time name too.
As noted by Alejandro Aguirre, the Time Sprint mode is usually called "Rush" or just "Blitz", e.g. the Puzzle Rush at chess.com and Blitz in Fast Chess. We should rename this game mode to be more consistent/recognisable.
At the same time, we should simplify the Unlimited Time name too.