Baldr Sky(バルドスカイBarudosukai) is a duology of Japanese adult visual novels with 2D action elements developed by Baldrhead from Giga. The series characterizes itself as a cyberpunk action adventure game. The first game, named Baldr Sky: "Lost Memory" Dive1(バルドスカイ ロストメモリー ダイブ1") was released on March 27, 2009 for the PC. The second game, Baldr Sky "Recordare" Dive2 was released on November 27, 2009. A manga based on Dive1 by Kouji Tanaka is serialized in Comp Ace.