Remegeton is a Yume Nikki fangame. It stars Harutsuki, a young girl who has locked herself in. Remegeton focuses on collecting effects and exploration, like most traditional Yume Nikki fangames.
Overdrive is a Japanese Yume Nikki fangame. The player starts as a girl named 323, staying in a laboratory-ish room who doesn't want to go out of it. She can travel to a world called Outer World by entering the capsule machine in the room. Her purpose is to collect all Concepts in the Outer World. There is an unlockable character named 543, a boy that stays in a patient room and doesn't want to go out, after you find the way to meet him in Outer World.
Onasu is a Yume Nikki fangame. It is based on the console game in Yume Nikki, Nasu.
Your goal is to catch the falling eggplants before they destroy all of the floor tiles beneath you and achieve the highest score possible.
Negaigoto is a Yume Nikki fangame. The game stars Ken, a person living in an old-styled Japanese house with a small garden as opposed to a balcony. Unable to leave his house, he explores a dream world through sleeping in his bed. In the dream world, the nexus contains a single door with 4 possible locations, chosen randomly when the player sleeps.
Mortalis is a traditional Yume Nikki fangame. Shimotsuki refuses to leave her room, instead exploring a dream world seeking to collect effects. Additionally, there is a game console resembling a GameCube in the room that can be used to play a minigame called Tomato.
Uniquely, music tracks are not given by merely entering areas. Instead, tracks are collected through finding floating orange music notes in dream world locations.
Mind Color is a Japanese Yume Nikki fangame. You play as Kitotsuki and explore a strange set of worlds outside your bedroom. The objective of this game is to explore and collect all of the Colors scattered throughout each world to unlock the ending.
Maimu is a Japanese Yume Nikki fangame. It stars Kiratsuki, a girl who refuses to leave the place she's staying at. The goal is to explore and obtain effects.
Planet of the Z-Bots is the epic conclusion to the Wonderland Adventures trilogy, and the largest Wonderland Adventures game yet. Travel to distant planets, meet new characters, solve new puzzles, and save Wonderland from the menace of the Z-Bots.
Kou is a Japanese Yume Nikki fangame. It's a traditional fangame with two playable characters: Okutsuki and Nawatsuki. The overall goal of the game is to explore and collect effects.
Kataribesou: Ensouki is a game inspired by Yume Nikki, starring a featureless figure named Shidonoko, traveling into weird worlds from a building. The game contains RPG elements (combat, an item shop, etc.). It additionally lets one choose a difficulty level at the start of the game.
Empty is a Chinese Yume Nikki fangame. The game stars Suo Xiangzi (锁箱子). Suo Xiangzi starts in her room, not able or unwilling to leave. Instead she can flick the light switch beside her bed to dream or access her computer to view wallpapers.
Dream Kombat is a Japanese 2D fighting game, featuring characters from Yume Nikki and its fangames. The concept (and some visuals) are based off the Mortal Kombat fighting game series.
ColourS is a Japanese Yume Nikki fangame. The primary goal of the game is to explore Midoritsuki's dream world and collect effects.
One interesting element of this game is that the majority of the dream world is initially in grayscale. There are several colored orbs hidden in the dream world for the player to find that will change the appearance of certain areas once obtained, also granting the player access to new areas/effects.