Both ports feature their own exclusive characters and new scenarios not in the original PC release.

Every so often, the player will come to a "decision point" where he or she is given the chance to choose from options that are displayed on the screen, typically two to three at a time.

After.. was first introduced in Japan on June 27, 2003, as a CD-ROM or a DVD-ROM playable on a Microsoft Windows PC.

On August 26, 2005, a version containing both the original game and its fandisc called After... -Story Edition- was released.

Media Blasters licensed the two-episode OVA and released it in the United States thru Kitty Media on Blu-ray and DVD on September 28, 2021, with a new english dub featuring American voiceover actresses, Yara Naika and Diana Lockheart.