Complete: Indiana Jones and the Last Crusade inspiration page using 2 walkthrough sources

src/SUMMARY.md

@@ -22,6 +22,7 @@ A taxonomy of puzzle design patterns from classic point-and-click adventure game
 - [Loom (1990)](inspiration/loom.md)
 - [Grim Fandango (1998)](inspiration/grim-fandango.md)
 - [Indiana Jones and the Fate of Atlantis (1992)](inspiration/indiana-jones-and-the-fate-of-atlantis.md)
+- [Indiana Jones and the Last Crusade (1989)](inspiration/indiana-jones-and-the-last-crusade.md)
 
 # Multi-Source Discovery
 

src/inspiration/indiana-jones-and-the-last-crusade.md

@@ -0,0 +1,131 @@
+# Indiana Jones and the Last Crusade (1989)
+
+Indiana Jones and the Last Crusade is a 1989 Lucasfilm/LucaArts adventure game using the SCUMM engine that follows the movie's plot, tasking players with preventing Hitler from recovering the Holy Grail. The game distinguishes itself with its IQ point system rewarding different solution paths (talking, fighting, or bribing guards), multi-stage castle infiltration requiring costume-based disguise mechanics, and a signature grail diary puzzle that serves as the central clue repository driving most of the gameplay [King][ThunderPeel].
+
+## At a Glance
+
+| | |
+|---|---|
+| **Release Year** | 1989 |
+| **Developer** | Lucasfilm Games / LucaArts |
+| **Core Mechanic** | IQ point system rewards multiple solution paths through dialogue, combat, or bribery interactions |
+| **What players found enjoyable** | "I just love playing as the legendary archaeologist Indiana Jones!" — the game's diverse solution methods for each obstacle allow strategic replayability [King]. Additional playthrough notes: "each situation will earn you IQ points - to get the maximum IQ points, you will need to play the game at least 3 times and use different methods" [ThunderPeel] |
+
+![Game overview screenshot — Indiana Jones at Barnett College office surrounded by artifacts](./indiana-jones-last-crusade-overview.png)
+
+---
+
+## Puzzle 1: The Grail Diary Library Puzzle
+
+### Problem
+
+After escaping Donovan's HQ, Indy finds himself in a Venetian library where Nazi pursuers are closing in. The grail diary (received from Henry Jones at the game's start) contains an illustration of a gothic window design and a quotation referencing a number and direction. The player must find the stained-glass window matching the diary drawing, then decode the inscription to identify which floor slab to break for escape [King][ThunderPeel].
+
+> The quotation reads: "the first on the right" — indicating which roman numeral to read from pillar inscriptions surrounding the matching window [King]
+
+![Library showing stained-glass windows and grail diary open to window illustration](./indiana-jones-last-crusade-puzzle1.png)
+
+### What Makes It Rewarding
+
+This puzzle establishes the grail diary as a reusable clue system—information isn't forgotten after use, but becomes integral to later puzzles. The visual matching mechanic (drawing to actual window) eliminates guesswork; once the correct window is found, numeric translation becomes mechanical rather than random exploration. As one walkthrough explains: "Look at the grail diary and note the design of a window...walk through the rooms with stained glass windows until you find the one that exactly matches the picture from the book" [King]. The satisfaction comes from realizing clues aren't consumed but become part of Indy's toolkit.
+
+### Solution
+
+Breaking the correct floor slab opens a hidden passage that leads to the catacombs below, escaping immediate Nazi pursuit.
+
+### Steps
+1. Examine the grail diary and note the gothic window illustration
+2. Explore library areas until finding stained-glass windows with stone pillars
+3. Identify the specific window whose design matches the diary drawing exactly
+4. Read the quotation in the diary for directional instruction (e.g., "first on the right")
+5. Find the corresponding roman numeral on nearby pillar inscriptions
+6. Use the metal post (collected from library shelves) to smash the numbered floor slab
+7. Jump through the opening into the catacombs below
+
+[Symbol Code Translation](../puzzles/symbol-code-translation.md) — The player decodes diary visual symbols (drawing + numeric quotation) into physical world actions (matching window → pillar numeral → target slab), distinguishing from pure observation replay by requiring active code interpretation rather than memorized sequence reproduction.
+
+---
+
+## Puzzle 2: The Catacombs Skull Music Sequence
+
+### Problem
+
+Deep in the catacomb system, Indy encounters a door sealed by four skulls. The grail diary contains musical notes corresponding to each skull position (top line = left skull, next line = second skull, etc.). The player must play the skulls in the exact order indicated by the music notation to open the passage forward [King][ThunderPeel].
+
+![Four skulls arranged horizontally before music sequence is played](./indiana-jones-last-crusade-puzzle2.png)
+
+### What Makes It Rewarding
+
+This puzzle demonstrates fair information delivery—the diary clue could have been noted earlier, but its relevance only becomes apparent at the skull door. As one walkthrough describes: "Look at the diary once more to get some clues. The top line indicates the left skull, the next the second skull, etc. Play the skulls in the order indicated by the music to open the door" [King]. Unlike arbitrary sequence puzzles, this requires consulting an external reference (the diary) and translating abstract symbols (musical notation) into concrete actions (skull activation order). The multi-step journey through water tunnels and mechanical rooms provides stakes—the player must remember or return for the clue.
+
+### Solution
+
+Playing the skulls in correct musical order opens the door, revealing passage to the Knight's Tomb where Elsa Jones is being held.
+
+### Steps
+1. Navigate catacombs reaching the skull-sealed door (requires prior hook/whip sequence to drain water room)
+2. Observe four skulls arranged horizontally across the wall above the door
+3. Return to inventory and examine grail diary for musical notation page
+4. Note mapping: first note line = leftmost skull, second = next skull, etc.
+5. Play each skull in the exact sequence shown in the diary's music notation
+6. Door mechanism activates and unlocks after correct sequence
+7. Enter newly opened passage toward Knight's Tomb
+
+[Multi-Faceted Plan](../puzzles/multi-faceted-plan.md) — Player gathers clue (diary musical notation) during exploration phase but only synthesizes it at the skull door, requiring both information retrieval and sequential execution. Differentiates from Meta-Puzzle Construction because components aren't chained outputs—each step doesn't produce materials for the next; instead, all requirements converge at a single decision point.
+
+---
+
+## Puzzle 3: The Castle Infiltration Uniform Chain
+
+### Problem
+
+To rescue Henry Jones from Castle Brunwald's third floor, Indy must infiltrate through increasingly restricted areas. Each floor requires different disguises (servant uniform on second floor, officer uniform on third), and certain guards can only be bypassed with specific costumes or items. The brass key found in chest A unlocks closet B to access uniform C, which enables passage past guard D [King].
+
+![Castle interior showing multiple costume change locations and guard patrol paths](./indiana-jones-last-crusade-puzzle3.png)
+
+### What Makes It Rewarding
+
+This extended infiltration sequence exemplifies progressive gate mechanics—each disguise unlocks new areas while simultaneously becoming obsolete for higher floors. One walkthrough breaks down the logic: "open the chest and look inside to get a brass key. Now head back downstairs...use the brass key on the lock, then take the uniform. Go back upstairs...and get changed" [King]. The design elegantly forces backtracking with purpose: players aren't retracing steps aimlessly but returning to specific rooms now accessible due to acquired items. Costume-based permissions create clear mechanical boundaries rather than dialogue tree complexity.
+
+### Solution
+
+Indy reaches Henry's detention cell on the third floor and frees him, enabling escape sequences via either motorbike or steam vents depending on whether castle alarms were disabled earlier.
+
+### Steps
+1. Enter Castle Brunwald first floor and locate kitchen with stein/keg area
+2. Proceed to closet area and take servant uniform (officer uniform locked)
+3. Access second floor, change into servant uniform in designated room
+4. Give painting to patrolling guard to bypass without confrontation
+5. Open chest in officer's quarters to find brass key inside uniform
+6. Return downstairs to previously inaccessible closet, use brass key on lock
+7. Enter and don officer uniform
+8. Return upstairs, change back into officer uniform in 2nd-floor quarters
+9. Bypass third-floor guards either through combat or dialogue (IQ point variations)
+10. Locate Henry's cell marked by electrical wires above doorway
+11. Use silver key (taken from candelabra in officer quarters) to unlock door
+
+[Corporate Infiltration](../puzzles/corporate-infiltration.md) — Progressive disguise acquisition grants access to increasingly restricted areas with guard patrol management—distinguishes from Sensory Exploitation by focusing on physical costume-based permission rather than NPC perception weakness exploitation.
+
+---
+
+## Other Puzzles
+
+| Name | Problem & Solution | Pattern Type |
+|------|-------------------|--------------|
+| Fake Grail Diary Discovery | "Use sticky tape with jar of solvent on shelves to discover small key...open chest with small key and get old book (fake grail diary)" [King] | [Meta-Puzzle Construction](../puzzles/meta-puzzle-construction.md) |
+| Statue Combination Room | Press plaques in correct sequence from diary illustrations: "middle plaque until good image, then right, then left" to avoid fatal trap [King] | [Symbol Code Translation](../puzzles/symbol-code-translation.md) |
+| Drawbridge Lowering Sequence | Tie red cordon to machinery wheel, activate to lower drawbridge in catacombs below for access | [Meta-Puzzle Construction](../puzzles/meta-puzzle-construction.md) |
+| Drunk Guard Ale Distraction | Fill stein from keg, pour over fireplace coals, give to drunk guard then retrieve after distraction [King] | [NPC Distraction Physics](../puzzles/distraction-physics.md) |
+| Mein Kampf Trade Network | Steal book from library shelves, trade to specific Nazi guards at roadblocks for passage or IQ points | [Information Brokerage Chain](../puzzles/information-brokerage.md) |
+| Dog Roast Boar Bribe | Feed roast boar (from kitchen fireplace) to guard dog in Vogel's office to access desk drawers | [NPC Distraction Physics](../puzzles/distraction-physics.md) |
+| Tesla Radio Destruction | Use music player to draw radio operator out of room, steal wrench, destroy radio, lower ladder for zeppelin escape | [Multi-Faceted Plan](../puzzles/multi-faceted-plan.md) |
+| Zeppelin Multi-Floor Navigation | Climb three-floor tower structure avoiding Nazi patrollers through maze-like passage system | [Corporate Infiltration](../puzzles/corporate-infiltration.md) |
+| Grail Selection Temple Test | "Using clues from earlier and your game manual, select correct grail" based on glow test vs. inscriptions [King] | [Multi-Faceted Plan](../puzzles/multi-faceted-plan.md) |
+
+---
+
+### References
+
+[King] Ashley Bennett (Walkthrough King), Indiana Jones and the Last Crusade: The Graphic Adventure Walkthrough (2002). https://www.walkthroughking.com/text/indianajoneslastcrusade.aspx
+
+[ThunderPeel] Johnny "ThunderPeel2001" Walker, INDIANA JONES AND THE LAST CRUSADE Complete Walkthrough (2003). http://indyguide.mixnmojo.com/lcguide.txt

todos/TODOS.md

@@ -62,11 +62,11 @@
 	- [x] Link each puzzle to its pattern type from the Playbook
 
 	
-- [ ] Indiana Jones and the Last Crusade: analyze walkthrough and create game section
-	- [ ] Examine walkthrough files in src/walkthroughs/indiana-jones-last-crusade/
-	- [ ] Identify the 3 best puzzles using analysis-checklist.md criteria
-	- [ ] Write Problem/Why It Works/Solution/Steps for each puzzle
-	- [ ] Link each puzzle to its pattern type from the Playbook
+- [x] Indiana Jones and the Last Crusade: analyze walkthrough and create game section
+	- [x] Examine walkthrough files in src/walkthroughs/indiana-jones-last-crusade/
+	- [x] Identify the 3 best puzzles using analysis-checklist.md criteria
+	- [x] Write Problem/Why It Works/Solution/Steps for each puzzle
+	- [x] Link each puzzle to its pattern type from the Playbook
 
 	
 - [ ] King's Quest III: To Heir Is Human: analyze walkthrough and create game section