Tenebris Somnia walkthrough

Open the sealed apartment study

1. Take the Wrench from the bathroom beside the Devora poster, the Developing Chemical from the kitchen, and the Glass beside the bed. Strike the bedroom window boards with the Wrench until sunlight enters.
2. Use the Glass at the broken bathroom mirror to obtain blood. Combine that glass with the Developing Chemical, then use the mixture at the opened bedroom window.
3. Use the resulting Auritsatio on the sealed study door. If the door stays closed, check the inventory item: the unexposed blood-and-chemical mixture is not the final reagent. The successful door interaction, not merely opening the window, finishes this puzzle.

Power the remote and follow your TV symbols

1. In the Floor 2 office, inspect the clothes rack for the Glove. Use it at the kitchen circuit breaker; when the washing machine stops, collect its Battery. Pull back the bathroom shower curtain for the second Battery.
2. Return to the Floor 3 office and use both Batteries on the remote on the desk. Return to the Floor 2 TV and press the matching floor symbols promptly in the displayed order.
3. The sequence is randomized. Copy your screen, not a video combination. If you have both batteries but only see static, finish the remote interaction upstairs before retrying the downstairs TV.

Enter the studio and assemble the poster

1. After meeting Sanguis, take the blue Triangular Stone beside the red candle. Collect the Scissor Blade in the kitchen and the X-Ray on the low bookshelf below the apartment entrance. Open the blue symbol door near the Floor 2 elevator with the stone. At the A.S. door, use the blade and then the X-Ray to retrieve the key.
2. Inside the director’s office, take the other blade and combine them into Scissors. Cut six misplaced poster sections in the hallway, reassemble Devora in the office, then burn the assembled poster with the Lighter to obtain the Bathroom Key. Take the Mop Handle from that bathroom.

Charge the phone and open the projector room

1. Return the Mop Handle to the marked wall square in the Floor 2 candle room; using it starts a fight. For the projector code, first obtain the USB Cable at the bar. On Floor 1, go through Door 6, the lit doorway, then the dining room’s third door on the right. Climb to the top and collect the USB Adapter.
2. Combine Cable and Adapter. Use the charger beside the outlet and phone through the purple door in the Floor 3 apartment. The code is recorded in the Old Book. Use your code at Door A on Floor 1, then put the first film canister from the Floor 2 office chest into the projector.

Open the dining room’s central doors

1. After the first projection, take the Plate with X from the opened theater box. Find Black Tape in the hallway reached through the first stairway door. Tape the upper-left dining plate and put the X plate directly below it; take the green Square Stone behind the opened double door. Use it at the green symbol door in the Floor 3 apartment for the White Candle.

Find the film-school first-floor corridor

From the film-school lobby, enter the doorway marked with stairs. At the first landing, follow the 1 and arrow into the doorway; this corridor contains the electrical room. If the ground-floor red door says it is locked from inside, stop trying it: that door belongs to a later stage, not the route to this corridor.

In the film-school electrical room, raise the gate with the lower-left switch, switch it again and reach the lower-right switch before the gate closes. Avoid glowing live cables. Take the cable piece, repair the upper-left switch, leave it up and operate the lower-left switch again. The fallen statue gives the RCA Cable.

Complete the camera sequence

1. Connect the RCA Cable to the cinematography camera. Cycle views until the woman’s outline appears and stand in it with the matching pose. Change to the green-door view and break the glass the figure is pushing.
2. Cycle to the bird carrying a Copper Seed and take it. Plant it in the green vase at the far left of the first-floor hallway. Bring the Flowers to the woman, then cycle the camera until the seated statue falls. Take its Copper Key, open the green door and complete the TV room to obtain the Black Candle.

Reach Floor −1 with the black candle

1. Combine the Black Candle and Lighter, then use the lit candle inside the elevator. Read the color sequence in your Old Book from top to bottom.
2. Visit the floors in that order: blue = 3, green = 2, red = 1, white = ground floor. Your book generates the sequence; do not copy a route from another run.
3. Continue until −1 appears on the panel, then select it. A progressively corrupted elevator shows progress, but the objective is reaching the new floor.

Recover and cleanse the remaining films

1. On Floor −1, continue right where possible, break the two windows and move the obelisks to reach Ivan’s childhood room. Take the second canister beside his statue. Project it to open the theater box containing the Cow Skull; use the skull on the white door at the left of the stairway hallway.
2. Interact twice with the cursed canister in the film school, returning after each teleport. Talk to Sanguis in the studio lobby and exhaust SPELL for the Silver Key. Open the Floor 2 bathroom cabinet for the Silver Bottle. Fill it at three save points: apartment bedroom 2, apartment office 3, director’s office 2. These save points are consumed.
3. After Fumus, use the red Pentacle Stone on the Floor 3 bathroom before the studio’s red-symbol door. In the hotel room, purify the three water doses at the moonlit window, then cleanse the cursed film. Project the third canister for the Cold Chisel.

Develop the photograph and reach Desiderium

1. Use the Cold Chisel at the boarded top stairway door, then strike the boards. Take the bulb from the school darkroom lamp; beyond the newly opened route, push the right-hand bookcase and use the bulb on the bloody table to make it red. Survive the ambush when leaving.
2. Collect the Photo Roll in the theater lobby and Chemicals in the Floor 3 bathroom. Install the Red Lightbulb in the darkroom, add Chemicals to the trays, use the roll on the central northern table, then use Negative and Photo Paper at the left table. Develop the printed sheet in the trays. Put the resulting Photo in the bedroom frame on Floor 3; take the Hexagonal Stone from its drawer and use it at the school’s upper-floor symbol door.

The final route and your ending

1. In Desiderium, use the black lightbulb in the darkroom to invert colors and turn the blue RCA cable yellow. Connect it to the camera downstairs. The fly-floor puzzle repeats the previous room’s randomized path; the fly turns gold when the route is correct. Take the Lead Fly to open its symbol door.
2. After the later Carnito fight, use the Tin Key in the theater box for the Green Candle. Light it and use it at the green stairwell mark to regain upper-floor access. Follow the poem and photograph puzzle in our Puzzles guide, then complete the knife transformations in the Endings guide.
3. Keep a save before the Aurifer decision. Whether you kill a Relicta with it determines the two main ending branches. Continue via the third-floor leaking door, head left along the street and enter Septimo Arte for the final encounter.