Crystal Island may refer to:
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Crystal Island (building project), a future building project in Moscow, Russia
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Crystal Island: Uncharted Discovery, an educational video game
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Crystal Island: Lost Investigation, an educational video game made by the same group as the first
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Crystal Island (Ontario)
The following is a description of islands in the Detroit River. The Detroit River is a major waterway in the Great Lakes system, and it flows for from Lake St. Clair south to Lake Erie. The river serves as a major shipping channel, jointly ...
, an island in the Detroit river
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''Crystal Island'' (game), a 1990s
heroic fantasy
Sword and sorcery (S&S), or heroic fantasy, is a subgenre of fantasy characterized by sword-wielding heroes engaged in exciting and violent adventures. Elements of romance, magic, and the supernatural are also often present. Unlike works of ...
play-by-mail game
A play-by-mail game (also known as a PBM game, PBEM game, turn-based game, turn based distance game, or an interactive strategy game.) is a game played through postal mail, email, or other digital media. Correspondence chess and Go (game), Go wer ...
similar to ''
Dungeons & Dragons
''Dungeons & Dragons'' (commonly abbreviated as ''D&D'' or ''DnD'') is a fantasy tabletop role-playing game (TTRPG) originally created and designed by Gary Gygax and Dave Arneson. The game was first published in 1974 by TSR (company)#Tactical ...
''.
{{disambiguation, geo