Simplify the following text for a Grade 7 native English-speaking person.
Original: is a 1982 platforming video game made by Activision for Atari 2600 , Atari 5200 , Atari 8-bit , ColecoVision , Commodore 64 , Intellivision and the Sega SG-1000 .
Simplified: is a video game released by Activision for the Atari 2600 in 1982 .