# Emulator An Emulator is a hard- or software that enables a computer to behave like another computer. In the [gaming](/wiki/game.md) context this is mainly used to run games from a console on another computer. Emulators usually need ROMs to run games. ROMs are a digital copy of a video game. Please note that downloading ROMs of licensed games is not permitted due to copyright. All [emulators](#list-of-emulator-software) should only use non copyright infringing ROMs. Due to its form factor emulators can be installed and used nicely on a [Steam Deck](/wiki/game/steam_deck.md). Emulator games can even be [started through the normal interface](/wiki/game/steam_deck.md#running-a-game-directly-through-the-interface). ## List of Emulator software - [Citra](/wiki/emulator/citra.md) emulates Nintendo 3DS games. - [Dolphin](/wiki/emulator/dolphin.md) emulates Nintendo GameCube and Wii games. - [melonDS](/wiki/emulator/melonds.md) emulates Nintendo DS games. - [mGBA](/wiki/emulator/mgba.md) emulates Nintendo Game Boy, Game Boy Color and Game Boy Advanced games. - [Nestopia](/wiki/emulator/nestopia.md) emulates Nintendo Entertainment System games. - [PCSX2](/wiki/emulator/pcsx2.md) emulates PlayStation 2 games. - [PPSSPP](/wiki/emulator/ppsspp.md) emulates PlayStation Portable games. - [simple64](/wiki/emulator/simple64.md) emulates Nintendo 64 games. - [Snes9x](/wiki/emulator/snes9x.md) emulates Super Nintendo Entertainment System games. - [yuzu](/wiki/emulator/yuzu.md) emulates Nintendo Switch games.