|“||This world is, so to speak, the shadow of Nightopia. Bad dreams rule this place - Nightmare.||„|
|~ NiGHTS: Flying Through the Sky Without Wings.|
Nightmare is a location in the Night Dimension where visitors go when they have nightmares and home of all of the Nightmarens. In the NiGHTS series, locations of Nightmare appear during the boss fights.
Nightmare was created by Wizeman and it is the birthplace of all of the Nightmarens, including NiGHTS. Many different locations of Nightmare appear during the boss fights. These locations were created by their respective bosses. Nightmare also appears during the visitors opening cutscenes, when they are attacked by Nightmarens.
NiGHTS into Dreams
In NiGHTS into Dreams, locations of Nightmare appear during the boss fights.
|Gillwing's Lair||Gillwing's battle happens in a weird garden-like environment with giant flowers which are constantly opening and closing, mushrooms which keep growing and shrinking, rocks floating around and two red suns. In the center of the area, there's a weird tree with a blue star spinning above it. It's possible that the garden is located in space or perhaps in another planet, due the dark sky, floating rocks and the two red suns.
|Puffy's Mansion||Puffy's battle takes place at her mansion which consists of three rooms, each room with a hallway between them. Starting at the bedroom, then dining room and lastly bathroom. Stairs can also be seen on the back wall in the dining room. Along the walls of Puffy's level are many paintings of Nightmaren minions and one of Puffy herself. The portrait of Puffy is actually an original concept drawing. After the bathroom, there is one last hallway where the shelf used to defeat Puffy is located.
NiGHTS Archie Comics
This location reappears in the first two Issues. In Issue 1, the Puffy's mansion appears when Claris is attacked by Puffy. In Issue 2, the Puffy's mansion makes a small appearance when Claris is transported to Nightmare after being forced to sleep by a Shleep.
This location appears in Sonic & All-Stars Racing Transformed, during the second lap of the Dream Valley circuit.
|Gulpo's Tank||Gulpo's battle takes place in the deeps of the ocean, around a transparent and cylinder tank surrounded by fishes.
|Clawz's Machine||Clawz's battle takes place on a weird carousel-like machine, full of fireworks with pink mice heads. The machine appears to be surrounded by big walls made of colorful bricks. For unknown reasons, the walls have holes with a bright light coming out of them.|
|Jackle's Room||Jackle's battle takes place in a room with oversized toys and instruments of torture in bright primary colors. The entire room is encased in red drapes reminiscent of a circus tent and is littered with toy blocks and blue and green dolls with crazed looks on their faces. Two notable items in his boss room are a gigantic purple and yellow star-print jack-in-the-box and an oversized red and yellow guillotine.
|Reala's Realm||Reala's battle takes place in a dark realm with squary ruins, three torches with blue fire and Reala's red throne at the center. In the sky, there is a red seal with Reala's face on it.
NiGHTS Archie Comics
Most of the locations in Nightmare in the Archie Comics appears to have been designed after Reala's realm.
||Wizeman's battle takes place in different environments which he changes everytime he is hit; there is one tower though, that stays the same through the whole battle.
Christmas NiGHTS into Dreams
In Christmas NiGHTS into Dreams, locations of Nightmare appear during the boss fights.
|Gillwing's lair||The environment where the battle takes place is similar to the one from NiGHTS into Dreams. Some flowers are replaced by Christmas decorations and presents, the red suns are replaced by purple nebulas, there are gems spinning around the tree in the center of the stage and after the fight, a giant Christmas tree appears in the center.
|Puffy's mansion||Puffy's mansion returns in the Sonic the Hedgehog into Dreams... mini game, as the location where the Doctor Eggman boss fight takes place. The location looks just like it did in NiGHTS into Dreams except this time, it has snowflakes falling.|
NiGHTS: Journey of Dreams
In Journey of Dreams, locations of Nightmare appear during the boss fights.
|Donbalon's Tower||Donbalon's lair is a circus-themed pinball-like tower. It consists of several areas separated by stylish barriers and has a monstrous face with long, spiked teeth at the top. The lair runs vertical, and there are many different obstacles scattered around.|
|Girania's Colosseum||Girania's arena looks primarily like an underwater Colosseum. It has stair-like seats for spectators to sit in, and pillars line up around the top. Giant candles lie around on the floor, and in the center is a giant pit full of collapsed rubble. Girania can burrow into the floor and resurface.|
|Chamelan's Cave||Chamelan's arena takes place in a surreal cavern with playing cards and floating spotlights. The arena is shrouded by a void with plant life hidden behind it. Question marks appear on the curtain if the player delays long enough.|
|Bomamba's Lair||Bomamba's arena is a typical witch's lair with stained glass windows featuring cat faces, an opening in the ceiling that reveals the moon and stars, and a gigantic bubbling cauldron down below her. A few bottles of what is most likely poison are also found lying around.|
|Cerberus' Cage||Cerberus' area appears in Delight City, disguised as a dog's kennel. Once the player enters the area, they find themselves in a null and endless void. The Cerberus lives in a spherical cage with big black crows flying around in it.|
|Queen Bella's City||Queen Bella's battle field is in the middle of a distorted town with platforms that she walks around on. Below her there is a pool of lava, presumably a smelting pit.|
|Wizeman's Domain||Wizeman's battle takes place in a weird dark realm with pieces of a castle floating around. When Wizeman attacks, he changes the environment entirely.
This location appears in Sonic & All-Stars Racing Transformed, during the third lap of the Dream Valley circuit.
- Sonic Adventure and Sonic Adventure DX: The second floor of the NiGHTS thematic pinball table in Casinopolis appears to have taken inspiration from Nightmare, more specifically from the Reala's battle arena from NiGHTS into Dreams.
- Sonic Pinball Party: The player is transported to Nightmare during the boss fights of the NiGHTS thematic pinball tables.
- Sonic & All-Stars Racing Transformed: Gillwing's lair, Puffy's mansion and Wizeman's domain appear in the Dream Valley circuit.
- Sonic Lost World: Reala transports Sonic the Hedgehog to Nightmare in the Nightmare Zone DLC.
- According to the NiGHTS into Dreams japanese manual, the boss battle arenas were created by their respective bosses.