Guides and Walkthroughs
Full Game Walkthroughs
Cave Story Wii and PC Walkthrough by ragnaroq
Cave Story Walkthrough by neon screen
Cave Story Walkthrough by ReroRero
Cave Story Walkthrough/FAQ by LinkGanonSlayer
Cave Story Interactive Walkthrough (archived) by SuperGodAntMan
Cave Story Walkthrough (French) by Max le Fou
Challenge Guides
Sacred Grounds Secret Stage (Hell) Walkthrough by SkyeWelse
Sacred Grounds Secret Stage (Hell) Low HP Guide by HappyPuppet
Tutorial on beating Monster X on Minimal items by Roonil Wazlib
Misc Guides
Cave Story Cheats Guide and Files by Ivan Ferral
Hacking/Modding Guides
The KimiTech Industries Modders Guide (Complete Bundle) by Dragonboots
The KimiTech Industries Modders Guide (download) by Dragonboots
tsc.xls by Dragonboots
Basic Modding Guide (download) by Carrotlord
CS ASM Guide (download) by Carrotlord
Mac plist File Editing Guide by Seth Bye
Cave Story Profile.dat Hacking Guide by Noxious Ninja
Doukutsu Profile.dat Hacking Guide by Devin Dominguez
Cave Story Font Hacking Guide by Sean
Weapon Hacking FAQ by S. P. Gardebiter
Flag List by S. P. Gardebiter
NPC Hacking FAQ by S. P. Gardebiter
Colour Option FAQ by S. P. Gardebiter
Background and Tileset Option FAQ by S. P. Gardebiter
Map Information by S. P. Gardebiter
Cave Story TSC notes by Jazz Jackalope, S. P. Gardebiter and Kapow
NPC AI Pointer Table by Runelancer
NPC Guide by Runelancer
Doukutsu Monogatari Flag List by Kapow
Profile.dat Format by Kapow
Org Maker v134 Guide by Moose
How to hack OrgView by Jackalope