Magical Adventure is a PC and Mac game exclusively released in Japan in 1998. It contains 2 episodes from the first season, 3 episodes from the third season, and only 1 episode from the fourth season.
- Donald and Douglas
- Bill and Ben
- Annie and Clarabel
- Toad (Mentioned)
- Thomas Goes Fishing
- Thomas and Bertie
- Percy's Promise
- Thomas, Percy and the Dragon
- The Trouble with Mud
- Paint Pots and Queens
- Most of the game footage was from filmed sets from the fifth season and from the Swanage Railway in the UK.
- This game has six episodes.
- The game also came with a mousepad of the game cover.
- James' theme plays each time you play a mini-game.
- Clips from Thomas Comes to Breakfast, Edward and Gordon, The Sad Story of Henry, Gordon and the Famous Visitor, Tenders and Turntables, Percy, James and the Fruitful Day, Toby and the Stout Gentleman, A Close Shave, Break Van, Oliver Owns Up, Heroes, Pop Goes the Diesel, The Diseasel, Daisy (episode), Down the Mine, Thomas and Trevor, Thomas, Terence and the Snow, Bertie's Chase, Bulgy (episode) and All at Sea are used in the character bios.
- Edward's theme plays when Gordon is used.
- Bill and Ben's theme plays when Percy is used.
- Gordon has Duck's whistle sound.
- Thomas' Anthem is played in English instead of Japanese. This is because it's ripped from Percy's Ghostly Trick and Other Thomas Stories.
- Sir Topham Hatt's statement before Thomas' Anthem Plays is also heard in Sing-Along and Stories 1