Atomic Heart Testing Ground 12 Complete Puzzle Walkthrough And Rewards

Atomic Heart offers players various challenges scattered throughout its alternate-history Soviet landscape, with its hidden puzzle dungeons serving as premier spots for unlocking powerful gear. Testing Ground 12 stands out as one of the final trial complexes that adventurers can discover late in the narrative journey. Overcoming this specific location requires navigating electromagnetic traps, defeating a formidable robotic threat, and collecting unique blueprints to fully maximize your customized arsenal.

Locating the Underground Hospital Complex

Reaching this subterranean site requires players to cross the main bridge leading toward the Pavlov Complex after completing major story acts in the theater. The hidden entrance is situated near the coastal hospital grounds, inside a secluded wooden cave structure that descends into the earth. Stepping into this cavern reveals a functional elevator that takes Major P-3 directly down into the test facility chambers.

Upon reaching the bottom floor, the initial challenge zone introduces a massive chamber filled with large moving cogs and industrial magnetic arrays. Players must manipulate a heavy valve mechanism near the entrance to shift the alignment of the metallic gears in the room. Zapping the ceiling coils with the Shok ability alters the local gravitational platforms, allowing you to walk carefully toward the opposite exit platform.

Surviving the Relentless Boss Rematch

Navigating the initial corridor leads players straight past a secure safe zone into a massive open industrial arena. Entering this central space triggers a brutal rematch against Natasha, the heavy tracked combat robot known for her explosive missile barrages and physical lunges. The mechanical ballerina receives extra aerial assistance during this encounter from multiple floating drones that fire continuous rockets from above.

Defeating this boss requires heavy explosive weaponry alongside defensive polymer shields to neutralize incoming projectiles while aiming at her weak points. Players should focus fire exclusively on the primary machine while evading the homing mines she occasionally drops onto the arena floor. Once the metallic monstrosity falls, the remaining supportive drones can be quickly dispatched to clear the path forward.

Solving the Rotating Candle Puzzles

The subsequent sector contains a complex logic gate puzzle that utilizes luminous power spheres known to survivors as candles. Players must pick up these glowing elements using their glove's telekinesis module and launch them into specific sockets mounted on the moving scaffolding. Powering individual wall sockets causes nearby structures to rotate, shifting doorways into correct alignments so you can navigate the upper platforms.

Reaching the final exit involves ascending a set of green storage crates to access an elevated maintenance corridor. Moving an iron shutter from the upper platform gives you access to pull the original candle back toward your position from a distance. Reinserting this power source into the main terminal unlocks the elevator shafts leading safely back to the surface world.

Claiming the Ultimate Lootyagin Rewards

Conquering the various sectors of this facility allows players to crack open three distinct tier chests to collect valuable crafting resources and equipment blueprints. The early bronze container rewards players with the thermal scope blueprint for the standard issue shotguns. Exploring the immediate aftermath of the primary boss arena reveals the silver container, which contains advanced stocks for the assault rifle.

The final gold container sits tucked inside a side room just before the final ascension elevator. Opening this gold crate grants the rare reflex blade design for the heavy melee weapon alongside energy modules for sidearms. Securing these upgrades marks the absolute completion of this testing zone, leaving your character far better prepared for the final story encounters ahead.