Even at three-quarters scale, Arcade1Up’s miniaturized arcade cabinets can quickly fill up a room, and at several hundred bucks apiece, can just as quickly wipe out a budget. For those tight on room, Arcade1Up’s new Couchcade puts arcade-style controls in your lap and retro gameplay on your TV. Although even the smartwatch on your wrist is capable of playing retro video games, those old enough to have played classic games like Pac-Man, Galaga, Mortal Kombat, or even NBA Jam when they were first released were able to experience them while crowding around an arcade cabinet. The popularity of retro gaming is not just about the games themselves, but the desire…