Cache types

NOTE: WORK IN PROGRESS.

IMPORTANT!!! As of 2019-07-01 the matrix below describes next generation cache type mappings, which is a work in progress implementation.
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A geocache may be of several types

This document describes the existing cache types across Opencaching sites.

Cache types matrix

ID		Type	Usage	Image			Notes
C	F			OCPL	OCUS	OCDE
1	1	Unknown	All				Caches that do not fit any explicitely declared type
2	2	Traditional	All				Physical container at the coordinates
3	3	Multi-cache	All				Sequence of physical containers, each with clues leading to the next
4	4	Virtual cache	All				No physical container. Must visit the place and answer questions and provide proof you visited.
5	5	Webcam cache	All				No physical container. Must visit the place and take picture using the webcam and provide proof.
6	6	Event	All				No physical container. Not counted as "found". Social gathering of geocachers.
7	7	Quiz	All				Physical container not at coordinates. Must solve puzzle to find it.
8	9	Moving cache	OCPL				Physical container changes location after each find.
8		Math/Physics cache	OCDE				Physical container not at coordinates. Requires to solve math or physics type problem.
9	21	Geopath final cache	OCPL				Bonus cache as GeoPath final. (FIXME) Still defined as "Podcache", needs fixing.
9		MP3 cache	OCUS				Physical container not at coordinates. Must use clues in audio file to locate.
9		Moving cache	OCDE				Physical container changes location after each find.
10	22	Owncache	OCPL				Travels with owner. Must meet owner to find. (FIXME)
10		Drive-in cache	OCDE				Physical container near parking. A.k.a. park&grab
10		Educache	OCUK				No physical container. Requires research about subject, questions to answer, proof of visiting the area (similar to "earthcache")No longer in use after OCUK migration to OCPL-current. See history of OCUK.
10	23	Guestbook cache	OCPL				Physical container is a guestbook, available to sign
11		USB cache	OCUS				Physical container is a USB flash drive. Log is a digital file. Will be dropped by OCUS
12	24	BIT cache	OCPL				Playing card with serial number. See http://wiki.opencaching.us/index.php/BIT_Caches
13		Letterbox cache	OCUS				Similar to multi or mystery field puzzle, with final container additionally having a rubber stamp. Will be dropped by OCUS
N/A	25	Benchmark	OCPL				Geographical survey benchmark. New type by OCUS
N/A	26	Challenge	OCPL				Geocacher must meet the challenge requirements. New type by OCUS

Legend:

Basic/common cache types

OCPL specific types

OCDE specific types

To be redesigned

Removed cache types