January
- DMM Games will be offering Nobunaga no Yabou: Reppuuden and Sangokushi Eiketsuden as part of their new game line-up.
- Nobunaga no Yabou 201X has launched a new campaign event featuring a decisive match between the eight famous swordsman of the Sengoku Jidai. Players will be able to choose their favorite swordsman and help them win by accumulating participation points that further rise when deploying certain sword-wielding officers to battle. The event lasts until January 8, 2019.
- My GAMECITY is holding a seasonal lottery from December 26 to January 10. Lucky winners will be able to receive GC Coin discounts (up to 100,000) and a sum of WebMoney points (10,000).
- The server has also included several MMORPGs developed by X-LEGEND GAMES as part of their repertoite of third party games.
- Nobunaga no Yabou Online ~Tenrou no Shou~ has unveiled its new skill system which provides more than 120 new abilities for existing avatar classes. The update will also feature a new dungeon where players can band together to take down otherworldly deities.
- A live stream for the latest chapter will be broadcasted on January 15 with the director of the game appearing as one of the guests.
- 12 Koei titles for the Nintendo Switch are being sold at a 20~40% discount in the Nintendo eShop until January 7, 2019.
February
- Early ticket sales for the latest Harukanaru Toki no Naka de 6 fan event have began since December 27. It will be held on February 10, 2019 at the Owens Cultural Hall in Ayase City.
- The third stage play of the Dynasty Warriors series has been announced. Focused on the Battle of Chibi, it will take place next year from February 7 to 17, 2019.
March
- Ticket pre-orders for the 5th anniversary tour of Tokimeki Restaurant☆☆☆ have been made available at Lawson on December 28. The live concert will be held at the DMM VR Theater in Yokohama from March 9 to March 31 next year. A merchandise section will also be set up right next to the venue.
- Koei will be holding a special event called Musou Festival 2019 to commemorate their main Warriors titles. The event is to be held at the Ichikawa City Cultural Center and will feature select voice actors as guests. Visitors may also be handed free serial codes for DLC from Warriors Orochi 4.