- Release date: September 15, 2017
- Cover athletes: Kyrie Irving PG Cleveland Cavaliers/Boston Celtics, Shaquille O'Neal C Miami Heat/Los Angeles Lakers (PS3, PS4, Xbox 360, Xbox One, Nintendo Switch, Windows PC)
- An alternate cover featuring PG Kyrie Irving was released after he was traded to the Boston Celtics.
- For the very first time, NBA 2K18 will feature All-Time Teams for all 30 organizations. Each roster has 15 of the best legends to play in each team's franchise history. These rosters will be completely editable. A few big name legends such as Charles Barkley and Reggie Miller were left off their respective teams due to contract and legal agreement issues.
- The game also added 17 new Classic Teams. There were already 45 Classic Teams from NBA 2K17 ranging from the 64-65 Boston Celtics to the 12-13 Miami Heat roster. This addition brings the total to 62 Classic Teams for this years game.
- PG Kyrie Irving (90 OVR) was originally on the Cleveland Cavaliers roster but was traded to the Boston Celtics for PG Isaiah Thomas (89 OVR) before the games release and made the update in the default roster on launch day.
- Right before Thanksgiving Day, NBA 2K18 added Gerald Wallace (87 OVR - All-Time Hornets & 75 OVR - 01-02 Kings), Carlos Boozer (85 OVR - 10-11 Bulls & 88 OVR - All-Time Jazz), Danny Granger (88 OVR - All-Time Pacers), Clark Kellogg (85 OVR - All-Time Pacers), Josh Smith (87 OVR - All-Time Hawks), Caron Butler (80 OVR - 10-11 Mavericks), Al Harrington, Stacey King, Corliss Williamson, James Posey, Damon Jones, Jared Jeffries, and Daequan Cook to either classic teams or All-Time rosters.
- On the December 23rd, 2017 Roster Update, Rashard Lewis (87 OVR) was added to the All-Time Magic and All-Time Thunder team rosters. Kevin Martin (86 OVR) was added to the All-Time Kings roster and Donyell Marshall (74 OVR) was added to the 06-07 Cleveland Cavaliers.
- On the January 31st Roster Update, Los Angeles Clippers PF Blake Griffin was traded to the Detroit Pistons.