Gillian Laidlaw has also made a puzzle game for the Nintendo DS called "Flock.
Flock Is a Two Dimensional casual game , with a top-down perspective , using collision detection , sprite rotate; multiple backgrounds Entirely coded using C , using the DS homebrew libraries of PA_lib & ndslib .
The players use the stylus to direct birds to player 's goal , a red star . The stylus can Be Used to place arrows oven , Which redirect the Birds . AI Opponents Also use arrows to redirect birds to Their star . It's a quick game with only a Three rounds per game , running at a hectic pace . The puzzle mode Gives the player a set of arrows with the objective of directing all the Birds and Avoiding all the hazards .