Ouchan no Oekaki Logic is a puzzle game developed by Sunsoft and released on WonderSwan. Continue Reading → Jump to a section: Home Releases Credits Overview Walkthrough Achievements Cheats Ouchan no Oekaki Logic Brainwaves View all → Discussion Article Thought Review 100 Share Ouchan no Oekaki Logic with others Ouchan no Oekaki Logic Releases Credits Characters List Overview Walkthrough Achievements Cheats Updates