Some of these were early light gun games using light-sensitive sensors on targets to register hits. Arcade video games Įlectro-mechanical games (EM games) operate on a combination of some electronic circuitry and mechanical actions from the player to move items contained within the game's cabinet. Games that are solely games of chance, like slot machines and pachinko, often are categorized legally as gambling devices, and due to restrictions, may not be made available to minors or without appropriate oversight in many jurisdictions.
2 'Game of skill' versus 'game of chance'.
