Download: Modrinth ｜ Curseforge
Unknown Echoes is an adventure mod built around exploration, puzzles, boss fights, and ability progression. Explore ten biomes in the Echo Realm, then descend through six biomes across the three strata of Deep Echoes. Five Echo abilities, six artifacts, and multiple equipment paths unlock through personal progress.
You can follow the advancement tree step by step as you play. Press K to open the Echo Overview.
Tip: Netherite armor is the baseline difficulty setting for entering this mod's dimensions. Use /unknownechoes command for testing.
Shaders are recommended: mobs and blocks carry a large set of emissive layers.
- Craft an Echo Realm Key: Use 4 Echo Shards + 1 Echo Core.
- Find a Resonance Beacon: Resonance Beacon Ruins generate naturally in the Overworld.
- Awaken the Beacon: Right-click the beacon while holding the key.
- Enter the Echo Realm: Right-click the activated beacon.
- Return to the Overworld: Right-click the beacon inside the realm to return to your Overworld spawn or respawn point.
- Complete the Echo Realm main story: Obtain Wind Echo, Tide Echo, and True Sight Echo; defeat the three main bosses; then complete the three archive trials in the Echo Grand Archive. Its terminal records a clue to the nearest altar in your journal.
- Find an Abyss Beacon Altar: These altars generate naturally in the Echo Cliffs.
- Activate the deep passage: With an empty hand, right-click the Abyss Beacon to calibrate Wind, Tide, and True Sight in order. Right-click again after each animation ends.
- Enter Deep Echoes: Right-click the beacon after the final activation animation.
- Return to the Echo Realm: Right-click the Abyss Beacon in the Fracture Hall.
- Explore the Echo Forest, find the Memory Pillar Courtyard, defeat the Forgotten Colossus, and unlock Wind Echo.
- Explore Mirror Lake and the Tide Lighthouse Reef, enter the Sunken Temple, defeat the Abyss Watcher, and unlock Tide Echo.
- Explore the Mirror Dust Cloister, enter the Mirror Temple, defeat the Mirror Guardian, and unlock True Sight Echo.
- Explore 16 biomes across both realms, gathering materials, Ancient Pages, and ruin records while challenging 10 regional guardians.
- Unlock and upgrade 6 core artifacts through personal exploration progress, strengthening five ability paths.
- Find the Echo Grand Archive in the Echo Cliffs to complete the main story and reveal a clue leading deeper.
Main bosses resist most damage until their guard breaks. Use each arena's mechanisms to create an opening, then attack.
| Main Boss | Arena | Unlocks Ability |
|---|---|---|
| Forgotten Colossus | Memory Pillar Courtyard (Echo Forest) | Wind Echo |
| Abyss Watcher | Sunken Temple (Mirror Lake / Tide Lighthouse Reef) | Tide Echo |
| Mirror Guardian | Mirror Temple (Mirror Dust Cloister) | True Sight Echo |
| Void Prophet | Calibration Hall (Inverted Chasm) | Gravity Echo |
| Rift Warden | Void Vein Chamber (Silent Abyss) | Void Echo |
| World Echo | World Resonance Hall (Silent Abyss) | None |
| Guardian | Biome / Location |
|---|---|
| Storm Weaver | Floating Isles · Sky Observatory |
| Tide Lantern Keeper | Tide Lighthouse Reef |
| Mirror Dust Butler | Mirror Dust Cloister |
| Silent Priest | Silent Swamp · Silent Altar |
| Crystal Songkeeper | Crystal Song Grove · Crystal Song Hall |
| Broken Bell Keeper | Broken Bell Wastes · Broken Bell Tower |
| Dream Bloom Keeper | Dreaming Meadow · Underground Greenhouse |
| Lost Recorder Chief | Echo Cliffs · Archive Remnant Hall |
| Guardian | Biome / Location |
|---|---|
| Ash Scribe | Folded Corridors · Folded Celestial Archive |
| Inverted Gatekeeper | Inverted Chasm · Inverted Pendulum Palace |
They are unlocked and upgraded based on your personal exploration progress.
| Artifact | Role |
|---|---|
| Storm Compass | Short-duration flight · Aerial maneuvering |
| Tide Lantern | Survival |
| Echo Lens | Damage output · Detection |
| Hourglass | Time Freeze · Area Control |
| Dimension Anchor | Cross-Dimension Return |
| Rift Anchor | Deep Echoes Return |
| Biome | Highlights |
|---|---|
| Echo Forest | Basic resources, Wind path |
| Floating Isles | High-altitude wind erosion, wind-based materials, Storm Compass progress |
| Mirror Lake | Surface exploration, Tide path |
| Tide Lighthouse Reef | Deep-water ruins, Tide Lantern progression |
| Mirror Dust Cloister | Illusions, false/true layers, True Sight progression |
| Silent Swamp | Suppressive hazards, silence, defensive equipment |
| Crystal Song Grove | Musical crystals, crystal song materials |
| Dreaming Meadow | Supplies, trade, recovery |
| Broken Bell Wastes | Timed mechanisms, heavy enemies, mechanical materials |
| Echo Cliffs | Endgame, Echo Grand Archive, Deep Echoes access |
Deep Echoes has three connected strata, each split into two biomes. Use the Abyss Beacon in the Fracture Hall to return to the Echo Realm.
| Biome | Highlights |
|---|---|
| Folded Corridors | Deep entrance, Foldpage Bugs, folded archives and waystations |
| Shattered Archive | Misfiled catalogs, sequence runes, hidden True Sight records |
| Inverted Chasm | Gravity fields, inverted bridges, gravity shard spires |
| Weightless Grotto | Suspended crystals, inverted archive towers, survey puzzles |
| Silent Abyss | Void rifts, stabilizers, hushed refuges |
| Voidscar Hollows | Fractured anchors, sealed vaults, safe paths through void scars |