Analyze Maniac Mansion: Added Multi-Character Coordination puzzle type; documented pool reactor meltdown (Timed Consequence), arcade code observation (Observation Replay), music room demo chain & envelope steam puzzle (Meta-Puzzle Construction)

Puzzles documented:
- Pool Reactor Meltdown: Two-character timed sequence with narrative urgency
- Meteor Mess Arcade: Observation replay of cutscene high score
- Music Room Demo Tape → Contract: Sequential meta-construction chain for Syd/Razor ending
- Envelope Steam Extraction: Resource transformation puzzle with temporal separation

New puzzle type created: Multi-Character Coordination (exploits party system for actions spanning separated locations)

Files updated: timed-consequence.md, observation-replay.md, meta-puzzle-construction.md, README.md
Walkthroughs collected: syntax2000 walkthrough + wikipedia game overview

walkthroughs/maniac-mansion/wikipedia_game_overview.txt

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+# Maniac Mansion - Wikipedia Article (Game Overview Section)
+
+## Game Mechanics
+- Player uses point-and-click interface with 15 action commands (Walk To, Unlock, etc.)
+- Choose 2 of 6 characters to accompany protagonist Dave Miller: Bernard, Jeff, Michael, Razor, Syd, Wendy
+- Each character has unique abilities (Syd/Razor play musical instruments, Bernard repairs appliances)
+- Game has multiple endings based on character choices and combinations
+- Features cutscenes for story advancement
+
+## Setting
+- Mansion of the Edison family: Dr. Fred (mad scientist), Nurse Edna (wife), Weird Ed (son)
+- Two large tentacles live there: purple and green
+- Sentient meteor crashed 20 years ago and brainwashed the Edisons
+- Dave's girlfriend Sandy was kidnapped by Dr. Fred for experiments
+
+## Key Game Mechanics
+- Mansion inhabitants are hostile (except green tentacle) and throw players to dungeon if seen
+- Characters can be killed; game ends when all die
+- Five possible endings based on characters chosen, who survives, and accomplishments
+
+## Development Notes (relevant to puzzle design)
+- Designed as paper-and-pencil game first, with mansion floor plan as game board
+- Used cellulose acetate strips to map out puzzle combinations by tracking items that work together with certain characters
+- Non-linear puzzle design made it hard to prevent no-win scenarios
+- Ron Gilbert wanted to avoid "sadistic" game design where everyday logic doesn't apply
+
+## Character Skills
+- Each character contributes different skills and resources
+- Different paths must be taken based on group composition
+- Game was completed with any combination of characters but requires different approaches