| Apple II cass. |  Pinball + Infinite Number of Monkeys | 1978 | Apple Computer, Inc. |
| HP-41C soft. | Pinball Wizard | 1978 | Byte Publications, Inc. |
| VideoBrain Family Computer cass. | Pinball Model EN02 | 1978 | VideoBrain Computer Co. |
| Hanimex MPT-02 cart. | Pinball Model MG-205 | 1978 | Hanimex |
| Intel 8080 CPU soft. | Ping Pong for the 8080 | 1978 | McPheters, Wolfe & Jones |
| RCA COSMAC VIP type-in | Ping-Pong | 1978 | Association of Computer Experimenters |
| Apple II cass. | Pirates! | 1978 | Programma International, Inc. |
| BASIC soft. type-in | Pizza | 1978 | Workman Publishing NY, USA |
| Jacquard J-100 disk | PlayBJ | 1978 | Gambling Times |
| Pinball | Playboy Model 1116 | 1978 | Bally Mfg. Co. Chicago, IL, USA |
| Magnavox Odyssey² cart. | Pocket Billiards! Model AC9424 | 1978 | Magnavox Co., The Fort Wayne, IN, USA |
| BASIC soft. type-in | Poker | 1978 | Workman Publishing NY, USA |
| Atari 2600 cart. | Poker Plus Model 49-75151 | 1978 | Sears Chicago, IL, USA |
| Pinball | Pokerino | 1978 | Williams Mfg. Co. Chicago, IL, USA |
| Pinball | Polar Explorer | 1978 | Taito do Brazil |
| Atari 2600 cart. |  Polo | 1978 | Atari, Inc. CA, USA |
| Bowler | Pompeii | 1978 | Williams Mfg. Co. Chicago, IL, USA |
| RCA COSMAC VIP type-in | Poor Man's Mouse Trap Game | 1978 | Association of Computer Experimenters |
| Pinball | Poseidon | 1978 | Giuliano Lodola |
| Pinball | Poseidon Model 416 | 1978 | Gottlieb & Co., D. Chicago, IL, USA |
| Pinball | Power Play Model 1120 | 1978 | Bally Mfg. Co. Chicago, IL, USA |
| Phillips Videopac cart. | Prendre l'Argent et Fuir | 1978 | Radiola La Radiotechnique Paris, France |
| Dedicated Console | Prinztronic Tournament - Colour Programmable 2000 | 1978 | Prinztronic |
| Radofin 1292 Advanced Programmable Video System cart. | Prizefight | 1978 | Radofin Electronics Germany |
| Arcade Video game | Pro-Racer | 1978 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Fairchild Channel F cart. |  Programkassett 18 | 1978 | Luxor |
| TRS-80 type-in | Project Death Star | 1978 | SoftSide Publications, Inc. |
| Arcade Video game | PT Mahjong Model PT-MG | 1978 | IPM Corp. Hakusan, Ishikawa, Japan |
| Arcade Video game | PT Piccolo | 1978 | IPM Corp. Hakusan, Ishikawa, Japan |
| Arcade Video game | PT Power Block | 1978 | IPM Corp. Hakusan, Ishikawa, Japan |
| Arcade Video game | Pull Down! | 1978 | E&E Automaten |
| Arcade Video game | Pyramid | 1978 | Sankyo Tokyo, Japan |
| Pinball | Pyramid Model 410 | 1978 | Gottlieb & Co., D. Chicago, IL, USA |
| MITS Altair 8800 soft. | Qubic | 1978 | 1001001, Inc. |
| North Star Horizon disk | Qubic | 1978 | 1001001, Inc. |
| Commodore PET cass. | Qubic | 1978 | Roehrig, Joseph |
| BASIC soft. type-in | Queen | 1978 | Workman Publishing NY, USA |
| Pinball | Queen's Castle | 1978 | Zaccaria Bologna, Italy |
| TRS-80 cass. | Quick Watson Model 26-1802 | 1978 | Radio Shack Fort Worth, TX, USA |
| Apple II cass. | Quiz Baseball | 1978 | Innovative Computer |
