Play / Homebrew / Nintendo Entertainment System (NES)
Concentration Room
Controls: arrow keys = D-pad, Z/X = buttons, Enter = Start, Shift = Select (configurable in the player menu). Works with gamepads.
Concentration Room is a homebrew card-matching memory game for the Nintendo Entertainment System. Flip cards two at a time and find all the matching pairs. It is free software, and the author explicitly allows exact copies of the ROM to be redistributed.
Author: Damian Yerrick (PinoBatch)
License: GNU GPL v3 or later, with an explicit exception allowing distribution of the unmodified ROM
Source & original download: https://github.com/pinobatch/croom-nes
License: GNU GPL v3 or later, with an explicit exception allowing distribution of the unmodified ROM
Source & original download: https://github.com/pinobatch/croom-nes