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Play Maniac Mansion (US edition · English) Online
Maniac Mansion
Play Maniac Mansion online. Pick Dave's two teammates, investigate Dr. Fred's house, combine objects, and use each teenager's talents to rescue Sandy.
Browser play
Nintendo Entertainment System (NES) / Famicom — EmulatorJS controls
Default Player 1 keyboard mapping. Change keys in Controller Settings.
| Console button | Keyboard |
|---|---|
| ↑ / ↓ / ← / → | ↑ / ↓ / ← / → |
| A / B | Z / X |
| START / SELECT | Enter / V |
Open Controller Settings to configure your keyboard or gamepad. Touch controls are available on mobile.
How to Play Maniac Mansion
Quick start
Press B through the title screens. Point at two friends' portraits with the Control Pad and select each with A; Dave is already included. Point at the on-screen start icon and press A. Once outside, click destinations with A to walk left toward the house. Select the pull action and then the doormat to uncover a key. Get the key, then combine the use action, the key in your inventory, and the front door. Use the change-character command when another teammate is needed. Press START to open the save menu and save your progress.
Controls
Control Pad: move the pointer. A: select a portrait, action, object, inventory item, or walking destination; complete an instruction by selecting its final target. SELECT: cycle the get, use, and open shortcuts. B: advance past title screens or fast-forward a cutscene. START during play: open the save/load menu. To change the active teenager, select the change-character command, point at a teammate, and press A. Command names are described by meaning here; their displayed wording depends on the regional edition.
Maniac Mansion — About this game
Maniac Mansion is an adventure built around a small rescue team rather than a lone hero. Dave needs two friends to help him reach Sandy, and their talents influence how the mansion's puzzles can be solved. You assemble instructions by selecting an action and its target, collect useful objects, and switch between teenagers who may be working in different rooms. Each carries a separate inventory, so an item in the wrong hands can be as important a problem as a locked door. Interludes show events elsewhere in the house and can provide clues about its strange residents. The overseas NES adaptation includes an in-game save menu, letting you keep progress before trying a risky idea.
Cheats
No cheats have been added for this edition.
Player verification and sources
Browser play was reviewed before this edition was published in the catalogue. The date below is the catalogue publication date, not the game’s original release date.
- Browser test and catalogue publication date
- Browsers and devices
- PC: Chrome, Edge and Firefox. Mobile: Chrome on Android and Safari on iPhone and iPad.
- Player engine and core
- EmulatorJS 4.3.0-pre · nes
- Tested by
- rwEmulator
Sources and editorial basis
rwEmulator reviews edition metadata, release information, game manuals and first-hand browser-play notes. Available manuals are linked below; the editorial policy explains how facts are checked and corrections are handled.