| Game | Walkthrough | Gallery | Theories |
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| Spoiler warning: Plot or ending details follow. |
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323's Concept Guide
Roller Skates (ローラースケート)
(You must have the weapon effects)
Kill the NPCs to earn 1000 G → go to the Town → Shoes Shop → interact with the shop keeper then interact with the present.
Laser Gun (レザーガン)
Go to the Aquarium World → enter the Purple Gate → Purple World → interact with the white floating stone.
Maid (メイド)
Go to the Ghostly World → enter the White Gate → Moss Passage → left, right, right, center, center, center, left, right → Brickwall World → Blue Door → Mansion → 2nd floor 4th door → interact with the stand with maid dress.
Detective (ディテクティブ)
Go to the Ghostly World → enter the White Gate → Moss Passage → left, right, right, center, center, center, left, right → Brickwall World → interact with the shadow behind one of the brickwalls.
Spear (スピア)
Go to the Snow World → interact with the red flower → Forest World → go up 3 rows and find a house → Doctor's Room → interact with the spear.
Crescent (クレッセント)
Go to the Aquarium World → enter the Orange Gate → Cosmos World → top, right ,right, bottom → interact with the crescent moon.
Saxophone (サックス)
Go to the Town → School → 2nd floor center door → interact with the saxophone.
Heart (ハート)
Go to the Town → School → 3rd floor right door → interact with the Hell Block → Yellow Hell → enter the Building entrance → Laboratory Entrance → Laboratory Hallway → find the papers with number in the rooms → go to the bottom exit → enter the password (Hint: the shapes of the papers) → interact with the heart in the capsule.
Cyber (サイバー)
Go to the Town → School → 3rd floor right door → interact with the Hell Block → Yellow Hell → enter the Building entrance → Laboratory Entrance → Laboratory Hallway → room on bottom left → interact with the monitor → Cyber World → interact with the flashing block.
Robot (ロボット)
Go to the Ghostly World → interact with the gray gear → Gear World → enter the building → enter the door on the left → interact with the robot.
Paper (ペーパー)
Go to the Snow World → step on the small lake → Under Water → walk between the white statues → enter the entrance on the left → interact with the glass bottle on the left.
Robin (ロビン)
Go to the Snow World → interact with the red flower → Forest World → go down 2 rows and interact with the withered tree → Withered Tree World → interact with the robin.
Shadow (シャドウ)
Go to the Aquarium World → enter the Orange Gate → Cosmos World → top, bottom → interact with the black star → Chromatic World → climb down the hole → Red Cord World → wait until the place change → interact with the shadows that sit on the bench.
323's Endings Guide
After collected all concepts, the cage on the bottom of nexus will appear a glow that leads you to the Concept Room, drop all the concepts to the monitor.
End1
- Don't close the server located in the building of Gear World.
- Leave the room and go through the way to the exit.
End2
- Close the server located in the building of Gear World.
- Leave the room and go through the way to the exit.
End3
- Close the server located in the building of Gear World.
- Follow the Paper concept's guide then enter the entrance near the bottle to the Angel Place, use weapon to attack the angel for 5 times then interact the center to obtain the box key (if you have Detective effect you can find the hint).
- Back to the room and interact with the box beside the capsule to obtain the secret key.
- Leave the room and use it to the locked door then interact with the UFO.
Unlock 543
[Go to Cosmos World → top, bottom → interact with the black star → Chromatic World → enter the block entrance → Hospital → go to the right hallway → last room → interact the center to obtain the key (if you have Detective effect you can find the hint) → go to the left hallway → go to the end → enter the room → interact with 543.]
After that, 323's room will appear a present box, interact with it will switch to play as 543.
543's Concept Guide
Sheath Knife (シースナイフ)
Sleep on the dream bed repeatedly → Lucid Dream → interact with the sheath knife on the floor.
Pigeon (ピジョン)
Go to the Flower Field → interact with the red flower → Forest World → go along the same row and find the pigeon.
Doctor (ドクター)
Go to the Purple Bridge World → enter the purple entrance → Sky World → interact with green puddle → Green Passageway → interact with the Hell Block → Blue Hell → enter the Building Entrance → Hospital → go to the right hallway → first room → interact with the shadow NPC that wears doctor coat.
Virus (ウイルス)
Go to the Purple Bridge World → enter the purple entrance → Sky World → interact with green puddle → Green Passageway → interact with the Hell Block → Blue Hell → enter the Building Entrance → Hospital → go to the right hallway → second room → interact with the monitor → Cyber World → interact with the purple color virus.
Margaret (マーガレット)
Go to the Flower Field → go between the flowers → interact with the white flower.
Dustbox (ダストボックス)
Go to the Purple Bridge World → enter the brown entrance → Town → interact with the rubbish bin.
Handgun (ハンドガン)
(You must have the weapon effect)
Kill the NPCs to earn 1500 G → go to the Purple Bridge World → enter the brown entrance → Town → enter the building → interact with the shadow that wears sunglasses.
Helicopter (ヘリコプター)
(You must have the Pigeon concept)
Go to the Purple Bridge World → enter the brown entrance → Town → enter the building → go left to the staircases → go to the top of the Rooftop → equip Pigeon concept and fly over the fence to another rooftop → interact with the helicopter.
Cardigan (カーディガン)
Go to the Christmas World → go between the present boxes → Present World → enter the present with door → interact the cardigan on the stand.
Skeleton (スケルトン)
Go to the Red Star World → interact with the heart → Construction World → interact with the white sketched stick man.
Light (ライト)
Go to the Red Star World → interact with the heart → Construction World → interact with the white snowflake → Bloodstained World → interact with 323's shadow.
Hoop (フープ)
(You must have the Light concept)
Go to the Christmas World → enter the gate behind a christmas tree → Dark Amusement Park → equip Light concept and press SHIFT → interact with the bear NPC that holding balloon → Under Water → enter a stone gate → interact with the yellow snake at the end.
Clarinet (クラリネット)
Go to the Purple Bridge World → enter the purple entrance → Sky World → interact with the green NPC → Tree World → interact with the clarinet under the big tree.
543's Endings Guide
After collected all concepts, interact with the butterfly in the Nexus will lead you to a green field with flowers that let you drop the concepts.
ED1
Drop all the concepts and leave the room.
ED2
Drop all the concepts and interact with the drawer in the room.
ED3
- After collected all concepts, sleep on the bed repeatedly into the Lucid Dream, go out of the room and enter the room with green light, equipping Skeleton concept will cause the doctor vanish, interact with 543 in the capsule will trigger an event.
- Achieve 323's ED3 and then save.
- After achieved both events, achieve 323's ED1 again and then save. (There will have some changes at the end)
- Drop all the concepts and leave the room.