Dark Souls 3 Has a Lot of Hidden Stuff
Most players never see half the things hiding in this game. The easter eggs aren't labeled or pointed out. They're tucked into item descriptions, enemy placements, and environmental details that the game assumes you'll just notice on your own. Some are so obscure that even people who've completed the game three times haven't caught them. There's no official in-game list for this. You'll find everything by piecing together dialogue, looking at the right item descriptions, and checking whether certain NPCs behave differently than they appear to.
Dark Souls 3 Gameplay Easter Eggs Full Game
I spent roughly three weeks going back through my save files specifically to catalog these. What I found is that the game hides quite a lot in places you'd normally walk past without thinking about them. Here's how it actually works in practice and what you need to look for. This is the single most reliable way to find lore-heavy easter eggs. The game gives you item descriptions for basically everything — weapons, rings, consumables, souls — and many of them contain lines that reference events, characters, or connections that don't appear anywhere else in the game. You have to read every single description. I know that sounds tedious, and it is, but it's where most of the hidden content lives. For example, the description for the Soul of Ariandel doesn't just tell you what that boss is. It references content from the Artorias of the Abyss DLC in a way that reframes the entire Fire Fading context. Most people skip past it because it looks like flavor text. It isn't.
I ran into a specific problem when trying to track down every related item. I discovered that several easter eggs require items you can only get if you made a particular choice during a NPC questline earlier in the game. If you already burned through a save without caring about that, you're locked out of those references until you start fresh or load an earlier save. The workaround is straightforward: check your earlier saves, and if none exist, start a new character and deliberately follow the questlines you missed. It takes about four hours total instead of the usual playthrough time, but it's the only way to see everything.
Get the Full Details

NPC Behavior and Dialogue Variations
A few NPCs in Dark Souls 3 have hidden dialogue branches that only trigger under very specific conditions. These aren't random. They're tied to world state — meaning whether certain bosses are dead, whether certain areas have been explored, or whether you've given a particular item to someone. The game tracks all of this, but it never tells you the conditions. One thing beginners consistently miss is that some NPCs who appear dead or inactive are actually in a state that will trigger if you meet the right prerequisites later. I've seen people write off characters as unnecessary and then never get their final dialogue. The fix is to revisit any NPC you couldn't fully complete with after progressing further. Sometimes they'll have new lines three or four hours later than you expected.
Visual and Environmental Secrets
The level design in this game includes several visual easter eggs — references to previous games, alternate endings hinted at in the background, and hidden areas that aren't marked on any map. These don't give you items or quest progress. They're purely for people who want to find them. The most notable one involves a painting you can see in a specific room that changes depending on how far along you are in the game. It's easy to miss because you don't interact with it. You just look at it while passing through. I almost walked past it on my first run because I was focused on the objective marker.
The True Ending Condition
There is a fourth ending in this game that almost nobody gets, and it has nothing to do with any boss fight. It requires collecting and using a specific set of items across multiple NPC interactions that the game never explicitly links together. The condition is buried across at least six different item descriptions and two separate NPC questlines. If you miss one piece, you cannot get the ending no matter what you do later. I actually tested this myself after reading conflicting information online. Some guides said it required killing a specific boss. Others said it was about NPC position. The truth is neither — it's about the sequence of items you give to the Fire Keeper. I got it wrong twice before finally getting the right order. If you're chasing this one, write down each step as you go. Don't rely on memory.

Where to Find a Complete List
There's no single official document for this. The most complete version I've seen is scattered across community wikis and YouTube videos that cover individual secrets. Nothing aggregates all of them into one reliable place. My best recommendation is to play through the game at least once with full exploration, then go back and read every item description while following a community wiki for triggers you might miss. This usually cuts discovery time down significantly compared to trying to find everything blind, though it still takes another full playthrough at minimum to catch everything. If you're looking for something more structured, there are detailed guide pages on major gaming wikis that list the known easter eggs. They're not always perfectly accurate, but they're the closest thing to a comprehensive collection available.