Mild Dream is a traditional fangame. You enter the dream world by sleeping in the bed. Your main goal is to explore and find effects. You save your progress using the computer while awake.
One differing feature is that there are two different types of effects: Normal and Lucid. In order to use Lucid effects, the player must enter a state of lucidity by interacting with one of the various bees found within the dream world.
You explore the dream world of the unnamed (?) protagonist.
The protagonist has multiple eyes.
The protagonist's face is replaced with a clock.
The protagonist has brown hair and is smiling.
The protagonist wears glasses.
The protagonist turns into an alien.
The protagonist becomes a sticker.
The protagonist turns into stone.
The protagonist becomes a robot.
The protagonist moves faster.
The protagonist carries a knife.
The protagonist becomes a shadow. Pressing Shift brings the protagonist back to the Nexus.