- Year: 1982
- Platform: Atari 2600
- Publisher: Activision, Inc.
- Developer: Imagic
- Theme: Arcade
Atlantis (aka Ocean City Defender) is a video game published in 1982 on Atari 2600 by Imagic, Activision, Inc.. It’s an action game, set in an arcade and shooter themes, and was also released on Atari 8-bit, Intellivision, Odyssey 2 and VIC-20.