Alterna Logs are collectible items in Splatoon 3's Hero Mode that are unlocked after completing all stages in a site. Read on to see a list of all Alterna Logs and learn more about how to unlock them and their lore!

Hero Mode Collectibles
All Sardinium Locations	All Sunken Scroll Locations
All Gold Record Locations	All Alterna Logs
List of Decorations	List of Stickers

List of Alterna Logs and How to Unlock

Alterna Logs start off as unreadable files and become more readable as you complete more stages. To fully unlock all Alterna Logs, you must complete all stages in their corresponding sites in Hero Mode.

All Alterna Logs
Log 001	Log 002	Log 003
Log 004	Log 005	Log 006
Log.exe

Log 001 (Future Utopia Land)

The first Alterna Log can be deciphered after completing all the stages in Future Utopia Island. There are a total of 10 stages to complete in this site.

List of All Stages
1. Get to Know Alterna, Your Only Choice	2. Octopods at Rest Tend to FLIP OUT!
3. Splat you on the Flip Side	4. Door, Doors, Doors! And More! (Doors)
5. Relic Restoration	6. Zip, Splat, and Jump
7. Become One with Your Smallfry	8. What Caused the Big Bang? YOU!
9. The String's the Thing	10. Deadly Dance Hall-Jump, Jump!

Future Utopia Island

Log 002 (Cozy and Safe Factory)

The second Alterna Log can be deciphered after completing all the stages in Cozy and Safe Factory. There are a total of 9 stages to complete in this site.

List of All Stages
1. Twirling, Swirling, Whirling	2. Absorbency and You
3. Soak it to Me!	4. Splitting Crosshairs
5. Tread Heavily	6. Getting Lost in Three Easy Steps
7. The Ink-Conservation Project	8. Switching Things Up
9. The Future Stares Back

Cozy and Safe Factory

Log 003 (Cryogenic Hopetown)

The third Alterna Log can be deciphered after completing all the stages in Cryogenic Hopetown. There are a total of 7 stages to complete in this site.

List of All Stages
1. Climbing the Corporate Splatter	2. They Said We'd Have Flying Cars, and We Do! Kinda!
3. Ink Wheels-Experience Tomorrow's Technology Today!	4. Try Curling! Alterna's 11th Most Popular Athleisure Activity!
5. Conveyer-Belt Tightening	6. Time Trail and Errors
7. Rail Pass

Cryogenic Hopetown

Log 004 (Landfill Dreamland)

The fourth Alterna Log can be deciphered after completing all the stages in Landfill Dreamland.There are a total of 13 stages to complete in this site.

List of All Stages
1. Propellered to Greatness	2. Octohoppers Don't Have a Sense of Humor (and They Hate Puns)!
3. Let's Put a Pin in That	4. Splash the Block Party
5. Amusing a Bemused Muse	6. Those Aren't Birds
7. Charge Now, Splat Later	8. Easy Ride, Tricky Targets
9. Flying Worst Class	10. Ink Fast, Hotshot
11. Stamp 'Em Out	12. The Path to Perfect Penmanship
13. The Pursuit of the Precious

Landfill Dreamland

Log 005 (Eco-Forest Treehills)

The fifth Alterna Log can be deciphered after completing all the stages in Eco-Forest Treehills. There are a total of 13 stages to complete in this site.

List of All Stages
1. Trouble Around Every Corner	2. The Upside to Enemy Backsides
3. Uh-Oh! Too Many Snipers!	4. Barriers! They've Got You Covered
5. A Compulsive Collector's Paradise	6. Zipping over the Neighborhood
7. One-Way Ride through Target Town	8. Making Waves With Splashdowns
9. Low Viz, High Risk	10. Shooter on Rails
11. Simply Zipcastic!	12. You'll Go Far If You Shoot Far
13. Learn to Reflect, and This One Is in the Bank

Eco-Forest Treehills

Log 006 (Happiness Research Lab)

The sixth Alterna Log can be deciphered after completing all the stages in Happiness Research Lab. There are a total of 13 stages to complete in this site.

List of All Stages
1. Bet You Mist Us!	2. Octarian Heights
3. Torture Tour	4. Conserve Ink-Splat Sustainably
5. The Enemy Ink is Lava	6. Keep It Rolling
7. That Sinking Feeling	8. Breathe In, Breathe Out
9. Dive and Dash	10. Mission: Fly-Fishin'
11. Don't Tease with the Keys	12. Enter the Stamp Gauntlet
13. The Obscure Chiaroscurist

Happiness Research Lab

Log.exe (After Alterna)

The 7th and final Alterna Log will be unlocked after beating After Alterna, the secret stage which you unlock after completing all stages in Hero Mode.

After Alterna Walkthrough

Splatoon 3 Related Guides

Tips and Tricks: Beginner's Guide to Splatoon

Weapon and Gear Tier Lists
Weapons Tier List	Specials Tier List
Sub Weapons Tier List	Gear Abilities Tier List
Best Beginner Weapons	-
Collectible Locations
All Sardinium Locations	All Sunken Scroll Locations
All Gold Record Locations	List of Stickers
List of Decorations	List of Banners
List of Emotes	All Alterna Logs
List of Badges	-
Gameplay Tips and Tricks
Character Creation Guide	All Hero Gear Upgrades
Mailbox Guide	Tutorial Guide
All Hairstyles	Splatsville Features
Golden Sheldon Licenses Guide	Best Gameplay Settings
Communication Errors Guide	How to Beat Boss Salmonids
How to Super Jump	List of Controls
Ability Chunks Guide	How to Unlock Tableturf Battle Cards
Recon Mode Guide	Shell-Out Machine Guide
Power Egg Farming Guide	All Hero Mode Rewards and Unlocks
How to Get Upgrade Points	How to Level Up Catalog
Freshest Fits Guide	How to Add and Change Gear Abilities
Test Range Features	Gear Slots Guide
Star Power Guide	How to Get Fish Scales
How to Get Super Sea Snails	Best Deck for Tableturf Battles
All Salmon Run Rewards	All Unlockables and Secret Rewards
How to Increase Salmon Run Rank	Shel-Drone Guide
How to Survey All Sites	When is Big Run?
All Titles and How to Unlock	Best Gear Builds and Loadouts
All Medals and How to Get	All Level Up Rewards
All Anarchy Battle Ranks	All QR Codes and How to Scan
Speedrunning Guide	List of Glitches and Bugs
Wandercrust Tour Guide	All Music and Bands
100% Story Mode Completion Guide	All Salmon Run Outfits
How to Make Money Fast	World Map Guide
How to Get Drink Tickets	All Splatfest Events and Themes
All Mystery Box Contents	Disconnect Penalty Guide
Frequently Asked Questions
How to Earn Clout	How to Increase Your Rank
How to Do a Squid Surge	How to Do a Squid Roll
Motion Controls or Stick Controls	How to Vote for a Team in Splatfest
How to Play With Friends	How to Get Wallpaper
How to Get Food Tickets	How to Save
Where is the Locker Room	How to Cancel Matchmaking
What is Wipeout?	What is Weapon Freshness?
Inkling vs Octoling	When Do Shops Restock?
How to Skip the News Intro	How to Get Conch Shells
How to Get the Harmony Badge	How to Watch and Upload Replays
How to Use and Add Widgets	Is Splatoon 3 Multiplayer?
Do You Need NSO?	How Long to Beat Story Mode
Where to Buy Official Merchandise	Who is Judd?
How to Get 100x and 333x Battles	Is Agent 8 in the Game?