Circadian cycle

Other (objects, etc.) theme

Day and night cycles on their own outside of plot, location, or triggered events, possibly influencing NPC activities accordingly.


Alternate name: Day/night cycle

The first video game about Circadian cycle was released in 1979.

Bethesda Softworks, 2K Games and Capcom has published most of these games

Preferably not if this is tied to level/mission changes and does not progress naturally by itself, a note should be added if it does not.

Editor note: Circadian cycle technically refers to primarily biological cycle tied to the dark-light cycle rather than the dark-light cycle itself, so this should be renamed.

Parent groups

Dynamism, Nature simulation, Time, Story time span, UVL: Tags that may need renaming, Visibility

Child group

Obscured time

compare with these groups


Windows 139
Linux 108
Mac OS X 30
X360 23
PS3 20
Apple II E 10
PS4 8
C64 7
Xbox One 5
PS2 5
Amstrad CPC 4
GameCube 4
Amiga 4
Mac OS Classic 4
Famicom Disk System 4
PS Vita 3
ZX Spectrum 3
Xbox 3
Wii 3
Nintendo DS 3
N64 3
Android 3
Atari ST 3
Atari 5200 2
PS 2
NEC PC8801 2
Atari 400/800 2

By year

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