#secrets
10 articles
bosses
End of Abyss Optional Bosses: Brood Keeper, Morgue Dweller & Rematch
All three optional End of Abyss bosses — the Centipede rematch in the Reactor Pool, Brood Keeper in the Tunnels, and Morgue Dweller in the Infirmary.
Last updated: 10/5/2026
collectibles
End of Abyss Cheat Codes: All Codes & How the Cryptograph Works
End of Abyss has 6 scanner-hidden cheat codes activated via the Cryptograph key item — every confirmed location plus the trophy warning you must read first.
Last updated: 10/5/2026
collectibles
End of Abyss Data Shards: All 8 Locations & the Secret Ending
All 8 Data Shard locations in End of Abyss — the keys, tools and burnable walls behind each, and how they unlock the secret ending at the Mainframe.
Last updated: 10/5/2026
collectibles
End of Abyss Logbook: 100% Completion Guide (All 107 Entries)
Complete End of Abyss logbook guide: all 42 creatures, 51 notes, 8 Data Shards, and 6 codes — with the scan mechanics, NPC catch-up spots, and trophies.
Last updated: 10/5/2026
collectibles
End of Abyss Suit Mods: All 10 Mods, 8 Vaults & 6 Energy Cells
Every suit mod, vault, and Energy Cell in End of Abyss — where all 10 mods and 8 Vault Keys are, plus the 6 Energy Cells that unlock extra mod slots.
Last updated: 10/5/2026
weapons
End of Abyss Incinerator: Story Unlock, Uses, and Burnable Walls
The Incinerator is the flamethrower found in the Lower Levels — required for the story, lethal against the Failed Experiment, and the key to burnable secrets.
Last updated: 10/5/2026
weapons
End of Abyss Particle Disruptor Location: The Infirmary's Prize
The Particle Disruptor is the last optional weapon, hidden behind the Morgue Dweller boss in the Infirmary. How to reach the Infirmary and claim it.
Last updated: 10/5/2026
weapons
End of Abyss Security Rifle Location: The Hidden Factory East Weapon
The Security Rifle is hidden behind an Explosive Charge wall in Factory East F2. Exact steps to reach it and where the automatic rifle fits in the kit.
Last updated: 10/5/2026
weapons
End of Abyss Support Gun Location: The Outer Sector Secret Weapon
The Support Gun is hidden back in the Outer Sector where the game began. How to return there late-game via Maintenance and survive the ambush that guards it.
Last updated: 10/5/2026
guides
End of Abyss Endings: How to Get Both Endings (Secret Ending)
End of Abyss has two endings. See the normal ending first, then feed the Mainframe all 8 Data Shards and re-fight the final boss for the secret one.
Last updated: 10/5/2026