Guides and Rankings

The following are some useful guides and references for the game:

Beginner Guides

 * The Alchemist Code: Beginner's Guide

Game Mechanics Guides

 * Charge Time, Cast Time, Quicken and Overclock explained (YouTube video)
 * Charge Time Planning (GoogleDoc)
 * Gem Sources
 * Zeni Management
 * Shard Farm Priority
 * Team Building
 * Gear Optimization
 * Exchange Rates (advice on evaluating bundle and item pricing to determine when it's discounted)
 * TAC Story Drop Rates (GoogleDoc spreadsheet for determining where to farm equipment)
 * Ability Leveling
 * Spending Guide
 * Unit Transmute Guide (advice on when and how to transmute a unit instead of summoning for them)
 * Arena Guide by Gagging (GoogleDoc that explains arena mechanics in detail)
 * Alchemist Code Map Effects (GoogleDoc)
 * Raid Boss Guide (GoogleDoc)
 * TAC Raid Buffer/Debuffers (GoogleDoc)

JP Mechanics Guides

 * Japan Server Differences
 * The Alchemist Code GL and JP Version Differences (YouTube)

References and Rankings

 * Alchemist Code DB
 * The Alchemist Code Global Tier List And Build Guide (GoogleDoc)
 * TAC Recommended Gear Sheet (GoogleDoc)
 * Memento Quick Reference (GoogleDoc)
 * (Global) Mementos Rated by Usefulness (GoogleDoc)
 * TAC Unit Explorer
 * Best Places to Farm (quick reference of good spots for farming equipment pieces)
 * Alchemist Code Unit Skin Guide (GoogleDoc)
 * Helpful Information Guide (Reddit, compilation of reference links)
 * Discord Bot Reference (a list of commands you can use for looking up game data on the Discord bot)
 * Unreleased Upcoming TAC Units (GoogleDoc with information about some Japanese units global may see soon)
 * Japanese Version
 * wytesong's Compendium - for Whom the Alchemist Exists (GoogleDoc, includes a lot of information about JP version of the game)
 * Tsubaki's JP Tier List: October 4, 2020

Event Specific Guides

 * For guides for specific events, find the event page in the Event History.

Unit Specific Guides

 * The Alchemist's Toolbox - Detailed Unit Reviews (Reddit)
 * Future Units/Mementos to look out for (Reddit)

Story References

 * Summonable Character Relationships (Reddit)
 * Videos of Alchemist Code Cutscenes (YouTube)

Game Discussion
In addition to static documents, if you need more help with the game than these sites can provide or want to discuss it with others there are good resources for that:
 * Alchemist Code Discord
 * The Alchemist Code [Global Reddit ]