Dungeon Keeper 2 is a strategy game developed by Bullfrog Productions and published by Electronic Arts in 1999 for Microsoft Windows.

The game carries over many ideas from the original and adds new elements including units, rooms, and objectives.

The kingdom of Harmonia, ruled by King Reginald, has been under siege from dungeon keepers for a while, and his wizards have devised a device known as a Portal Gem to confine evil creatures to the underworld, while still allowing good forces access.

Like the original, Dungeon Keeper 2 places the player in the role of a malignant overlord bent on world domination.

[3] The player controls the world with a hand, performing actions such as moving creatures around the map, casting spells, and interacting with specific items.

[3] The kingdom itself takes the form of a large table containing a 3D map where the player selects where to attack from the highlighted regions.

In Dungeon Keeper 2, the heart has additional functions: regenerating mana (used to cast spells), doubling as a gold-storage area, producing Imps, and sending certain creatures to investigate threats it detects.

[10] This is performed by the Imps, the main workforce of the dungeon, who dig and claim tiles for the player to control.

[32] The heroic forces are composed of different units of keepers: heroes include Wizards, Giants, and Guards.

[34] Heroes and rival keepers' creatures can be converted to the player's cause in the torture chamber after being captured and imprisoned.

Instead, there are criteria based on the dungeon composition and related activities, and there is no requirement to proceed to the next level on completion.

[52] Skirmish involves competing against computer-controlled rival keepers, and the player can customize conditions such as which rooms and spells are available.

Producer Nick Goldsworthy believed the key to success was carrying over aspects of the original game and adding new things.

David Armor and Shintaro Kanaoya headed the level design, working with the flow of the tweaked user interface created to reduce ambiguity when looking after the dungeon.

[58] In fact, the interface was redesigned more than ten times due to feedback from various groups because the team wanted the public to understand it.

Trent C. Ward of IGN complimented the "amazing" graphics and commented that it looks better than the first game, but criticized the lack of major changes.

[81] Greg Kasavin of GameSpot too praised the graphical improvements over the original, and also highly commended the sound, but criticized the lack of gameplay changes compared to the first game.

[79] The gameplay was praised as "outstanding" by William Harms of the American PC Gamer magazine, but he also commented that multiplayer has glitches and oversights such as not being able to get back to the main menu after a game.

[84] Jason Cross of Computer Games Strategy Plus commended the gameplay and echoed others' views on the graphical improvements, but criticized the high system requirements.

[78] Another reviewer who liked the graphics was Chad Foster of Gamezilla, who also commended the "incredible" detail, and the "realistic" sounds.

[86] Robert Coffey of Computer Gaming World praised the dark humour, but criticized the short campaign.

[76] It and the graphics were again praised by PC Zone's Charlie Brooker, who was also among the reviewers to criticize the game's similarity to the original.

[85] A reviewer from Computer and Video Games was also among those who eulogized the graphics, and he did likewise with the replay value, and the multiplayer, describing it as "one of the best ever on PC".

[87] Another reviewer who complimented the improved artificial intelligence was John Houlihan of GameSpot UK, who described the game as a "more than worthy sequel".

Ideas such as the merging of the underworld and overworld were planned for the sequel, but Electronic Arts began focusing on other franchises such as Harry Potter.