Dementium II
apfix/Dementium II_apfix remains one of the finest action experiences on the Nintendo DS. Its innovative design and addictive gameplay have earned it a permanent place in gaming history.
- Platform
- NDS
- Genre
- Action
- Rating
- 4.3 / 5 (2.4K)
- Last updated
Dementium II Controls — NDS Keyboard Keys
Default keyboard bindings for Dementium II on our in-browser NDS emulator. Plug in a USB or Bluetooth gamepad to auto-detect mappings, or rebind any key from the emulator settings menu.
| Keyboard | Console button | Typical use |
|---|---|---|
| ↑ | D-Pad Up | Move up |
| ↓ | D-Pad Down | Move down |
| ← | D-Pad Left | Move left |
| → | D-Pad Right | Move right |
| X | A | Primary action (jump / confirm) |
| Z | B | Secondary action (attack / cancel) |
| S | X | Tertiary action |
| A | Y | Quaternary action |
| Q | L | Left shoulder |
| W | R | Right shoulder |
| Enter | Start | Start / Pause |
| Shift | Select | Select / Mode |
Touch-screen input on Nintendo DS games uses the mouse on desktop or finger tap on mobile. The default thumbstick mapping is the same as the D-Pad on Lite/DSi titles.
Rebind any key from the EmulatorJS in-game settings menu (gear icon → Controls). A connected gamepad auto-maps to the same buttons.
Dementium II Longplay & Gameplay Videos
Watch a full playthrough of Dementium II on NDS before you dive in — recommended for getting a feel for the game's pacing, story beats, and difficulty curve.
Watch longplay on YouTube
"Dementium II" NDS longplay
Dementium II Cheat Codes
9 community-curated cheats for Dementium II. Tick any to activate them automatically when you click "Play with cheats" — or copy a code into your own emulator.
-
Anti-Piracy Bypass Code
020E9120+E3A00002+020E9124+EA000029 -
HP Never Decreases
222C2650+00000000 -
Refill HP
94000130+FFFB0000+222C2650+00000000+D2000000+00000000 -
All Weapons Infinite Ammo
022C2654+FFFFFFFF+022C2658+FFFFFFFF -
Refill Ammo
94000130+FFFB0000+022C2654+FFFFFFFF+022C2658+FFFFFFFF+D2000000+00000000 -
Defog Map for Treatment Center
94000130+FFFB0000+C0000000+0000000B+022C27DC+FFFFFFFF+DC000000+00000004+D2000000+00000000 -
All Ammo and Recovery Items x65,535
94000130+FFFB0000+022C27A4+FF9BFF37+022C27A8+FE6FFE0B+022C27AC+FD43FC7B+022C27B0+FBB3FAEB+122C27B4+0000FA23+D5000000+000000FF+C0000000+00000011+D8000000+022C2CB8+D2000000+00000000 -
Have All Weapons
94000130+FFBB0000+122C2690+0000FFFF+D2000000+00000000+94000130+FF3B0040+122C2690+00000001+D2000000+00000000 -
Survival Mode Max Kills
94000130+FFFB0000+122C266C+0000270F+D2000000+00000000
External references
Frequently Asked Questions
What type of game is Dementium II?
Dementium II is a Action game for the NDS, playable instantly in your browser — no downloads, no installs.
How can I play Dementium II for free?
Open this page and click "Play Now" — Dementium II runs free in your browser via WebAssembly emulation. No account, no payment, no installer.
Do I need to download anything to play Dementium II in the browser?
No. Dementium II streams from a public archive into a browser-side NDS emulator. Nothing is installed on your computer.
Can I save my progress in Dementium II?
Yes. Save states are stored in your browser (IndexedDB) per game, and you can also use any in-game save the original NDS cartridge supported.
Does Dementium II work on mobile devices?
Yes — the NDS emulator runs on iOS Safari and Android Chrome. Touch controls overlay the game; landscape mode is recommended.
Is it legal to play Dementium II this way?
RetroGameSpace is a transient caching reverse-proxy and does not host first-party copies of Dementium II. Game files are fetched on demand from publicly-accessible archives. You are responsible for compliance with your local laws and the bring-your-own-ROM principle.
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