Witoru/Neta Dream is slightly different than most fangames but it still heavily focuses on exploration and collecting effects, and it contains puzzles and battles. In addition, there is an option to buy many items. Some of them are consumables that increase stats. There are items which are essential for progressing as well.
In 0.4D(++) version, pressing the SHIFT key brings up a menu where you can save where you are in the dream, go to the debug room, or view some more text. There are some areas which cannot be reached due to them being marked as "Under Construction". As of version R.4F, there are multiple endings, and some areas get accessible after watching some of the endings. There are many unfinished/inaccessible areas, although BGMs and chipsets exist. Creator set some switches which cannot be controlled in-game so player can't access those areas.
Yon Goh without any effects equipped. It disables any effect Yon Goh previously equipped.
Yon Goh's skin color becomes light blue, he wears aqua/cyan-colored clothes. He becomes semi transparent as well. It has no special action.
Yon Goh becomes a drum, press Shift to make various sounds. Sound depends on what character's current direction is. (Up:Base drum, Down:Snare drum, Right:Hi-hat, Left: Cymbals) You can acquire various drum sounds items to change their sound.
There are four different drum sounds as of R.4F.
Fami (Famicom (NES))
Atteiu (a.k.a. Atteiu Original)
You have to buy those sounds in a Fire Village store near to subway.
There are some unused drum sounds in this game.
All of Yon Goh's body and clothes become pale white. Press Shift key to turn on "Pure White mode" for two seconds. In this mode, you can pass through some specific walls, stop some of the chasers and disable map-looping traps. It can be used to open certain walls. You can enable Pure White mode and other modes simultaneously.
Jet-N (Disabled) / Jet (Upgraded)
Yon Goh wears a grey jetpack that increases his speed. You can upgrade Jet-N to Jet using one battery-J. Press Shift key to boost slightly(about one block). In 0.4D++ version, this effect has its own level: 2,3,4,Z. Jet-N doesn't count as an effect, so you have to upgrade it.
Yon Goh wields a Katana. You can use it kill some NPCs and break certain walls.
Yon Goh becomes a minimalistic black and white fox that increases his speed.
Yon Goh is drawn in a green and black digital style. Press Shift to turn on "Digital mode" that you can detect some hidden entrances and messages for one minute. You have to buy battery-D to use Digital mode. You can switch different effects while you use the mode. In layman's term, you can use Digital mode and Pure White mode at the same time. It can be used to open certain walls and light up dark places.
(Note: This effect is essential when you get Petrification effect and various hidden items in R.4F version.)
Yon Goh becomes illuminated with a glowing neon-like aura. This effect can light up dark places. Press Shift to toggle Yon Goh's colors.
Side Walk (Movement Bug)
Yon Goh's walking directions become scrambled.
Yon Goh becomes a floating white squid. His speed increases to the level of similar looking squid NPCs. You can unlock an area with this effect.
Yon Goh becomes a red octopus. His speed increases to the level of similar looking octopus NPCs.
In 0.4D version, This effect must be equipped when going to get the Petrification effect.
Disappearance (v0.4D++) / Vanish (vR.4F)
Yon Goh wears light blue clothes. As of version 0.4D, pressing Shift turns him into a transparent blue outline of himself. As of version R.4F, pressing Shift makes him invisible. Chasers can't recognize you while effect is used, but you might get caught by accident.
Yon Goh becomes his old sprite in earlier versions of Witoru/Neta Dream, and his walking sound mutes.
Yon Goh becomes the restricted colors of a Gameboy - grey and white or green and yellow. Press Shift key to toggle his colors. It can be used to open certain walls, but you need to match effect's color with walls to open.
Yon Goh returns to the Nexus. This effect doesn't change Yon Goh's appearance, it also does not disable any other effects in use.
Music Player-N(Disabled)/Music Player
Yon Goh holds his light blue music player. Press Shift to listen to some sounds. Sounds are randomly chosen.
Yon Goh holds a tatami mat as a shield, though it can't protect him from enemies.
Yon Goh is petrified like a "statue". His movement becomes significantly slower than at his normal state.
In version 0.4D, Octopus effect is needed to acquire this effect. In version R.4F, you have to turn on Digital mode to get this effect.
Yon Goh is in a white noise state similar to that of an old TV. Press Shift to make white noise appear on the screen. Press Shift again to make it disappear.
Yon Goh becomes frozen. He moves slower than normal, but slightly faster than Petrification effect. You have to turn on Digital mode to get this effect.
Yon Goh becomes monochrome and has an abstract, distorted form.
Yon Goh wears a Japanese Mask. Press Shift to toggle mask types. You have to fulfill some conditions to get this effect. Some of masks have own functions like boosting his speed.