+++
title = "ARGs"
+++

:toc: macro
:toc-class: right
:toclevels: 4

== ARGs

toc::[]

ARGs -- Alternate Reality Games -- are games that extend beyond the normal medium into real life,
typically involving puzzles, hidden clues, and other fun elements.

=== Useful tools

* https://gchq.github.io/CyberChef/ - "cyber swiss army knife"
* http://rumkin.com/tools/cipher/ - assorted cipher tools
* https://www.dcode.fr/t9-cipher - T9 decoder
* http://holloway.co.nz/steg/ - Twitter steganography
* https://www.wordplays.com/anagram-solver/ - Anagram solver

=== References

==== ASCII values

image::asciitable.png[ASCII table]

==== Morse code

image::morsecode.png[Morse code]

==== Braille

image::braille.png[Braille]

==== Semaphore

image::semaphore.png[Semaphore]

==== Nautical alphabet

image::nautical.png[Nautical alphabet]

==== Scrabble values

image::scrabble.png[Scrabble values]

==== Periodic table

image::periodictable.png[Periodic table]

==== World flags

image::worldflags.png[World flags]

==== US States

image::usstates.png[US states]

==== US Presidents

image::uspresidents.png[US presidents]

==== Country codes and information

ISO-639-1 language codes:: https://en.wikipedia.org/wiki/List_of_ISO_639-1_codes
ISO-3166-1 country codes:: https://en.wikipedia.org/wiki/ISO_3166-1#Officially_assigned_code_elements
Country code top-level domains:: https://en.wikipedia.org/wiki/List_of_Internet_top-level_domains#Country_code_top-level_domains
Country calling codes:: https://en.wikipedia.org/wiki/List_of_country_calling_codes
Timezones:: https://en.wikipedia.org/wiki/List_of_tz_database_time_zones#List

==== Coordinate systems

[%header]
|================
| Name | Example | Tools
| Latitude/Longitude | `52.4542427,-1.7192038` | https://www.google.com/maps/[Google maps]
| Eastings and Northings | `419008E 283712N` | https://gridreferencefinder.com/[Grid reference finder]
| National grid ref | `SP 19052 83959` | https://gridreferencefinder.com/[Grid reference finder]
| Plus codes | `F73M+M5 Marston Green` | https://www.google.com/maps/[Google maps]
| Mapcode | `GBR 4HH.B70` | http://www.mapcode.com/[mapcode.com]
| Geohash | `gcqf2vh05ese` | http://geohash.org/gcqf2vh05ese[geohash.org/<hash>]
| What3words | `//filed.trial.manual` | https://map.what3words.com/[what3words.com]
|================

==== Transportation codes

IACO:: https://en.wikipedia.org/wiki/ICAO_airport_code#Prefixes
IATA:: https://en.wikipedia.org/wiki/IATA_airport_code#List
UK train stations:: http://www.nationalrail.co.uk/stations_destinations/48541.aspx