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RIDDLE OF THE SPHINX GAME DESIGN
James Van Niekerk, Paul Saxberg
(Based on Santorini, designed by Gordon Hamilton)
DEVELOPERS
Adam Wyse, Gavan Brown
RIDDLE DESIGN
James Van Niekerk, Paul Saxberg, Dustin DePenning
BOX & CHARACTER ART
David Forest & Lina Cossette (mrcuddington.com)
MAP ART
Damien Mammoliti
MINIATURES & INSERT DESIGN
James Van Niekerk
GRAPHIC DESIGN
James Van Niekerk, Gavan Brown, Gui Landgraf, Nguyen Nam Hung
EDITORS
Gavan Brown, Dustin DePenning, Robyn Gordon, Kira Peavley,
Paul Saxberg, James Van Niekerk, Adam Wyse
KEY PLAYTESTERS
Michael Cox, Morgan Cox, Robyn Gordon, Gui Landgraf, Rick May,
Kira Peavley, Anais Torres, Jonathan Westfall
Embark on an adventure to solve the Riddle of the Sphinx. Work together with your friends over 22 unique
riddles, making creative use of your god powers and limited resources to fulfill the riddle’s objectives.
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GAME COMPONENTS

REQUIRES BASE SANTORINI
SANTORINI
Riddle of the Sphinx requires towers and workers from the base game.

SANTORINI
Riddle of the Sphinx
1 Rulebook & Adventure Book
RULEBOOK & ADVENTURE BOOK

SANTORINI
Riddle of the Sphinx
1 Book of Riddles
BOOK OF RIDDLES

8 Silver 1/2 Coins
2 Silver 3/4 Coins

6 Gold 1/2 Coins
4 Gold 3/4 Coins

1 Health Token
3 Blessing Tokens

3 Sphinx Gems
1 Game Die

1 Mystery Pack

SPHINX'S GAME
BLESSING DECK
DISCARD
X
1 Sphinx Board

1 The King

1 Wanderer

1 Sphinx Figure

12 Base Gods
Default gods who are
used in every riddle

28 Friendly Gods
Gods you can unlock
during your adventure

20 Blessing Cards
Blessings on the map that
provide one-time bonuses

SOLO MODE GAMEPLAY CARD
TURN SEQUENCE
Do an Action (Perform 1 of the following)
Move then Build
• Move 1 worker to a neighboring space
They then build in a neighboring space
• Collect any fulfilled objective coins
• Select a God from the
1 Solo Mode Card
nine's Game by rolling
4 Player Aid Cards
awre Rewards (if any, in any order)
> Discard cleared gods

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ICON LEGEND
Blessing Tokens : At the end of each turn, collect every blessing
token with a worker on it. For each one collected, draw 1 facedown
card from the blessing deck and place it onto the god deck. If you build
a block on a blessing, place the token on top. If a dome is built on a
blessing token, it is forfeited and removed from the game.
Blessing Cards: When blessing cards are revealed into the queue from
the god deck, they remain there until used. On your turn, you may
discard a blessing from the queue to gain its power that turn. You may
use any number blessing cards in addition to taking your normal turn.
Bridges: An arrow
sometimes spans a gap between spaces. The
bridge itself is not a space, but it shows a unique movement opportunity.
During moves, spaces on each side of a bridge are neighboring. This
allows a figure to move or be forced orthogonally across a bridge
(never diagonally).
During builds (and any other time), spaces on each side of a bridge are
not neighboring. Workers cannot build on or across bridges.
Closest Worker: The worker that is the least number of spaces away
(counted orthagonally or diagonally) from the starting point. If tied: you choose.
Coins: Tokens that are fulfilled and collected by building the indicated
height (1
, 2, 3, 4) under them.
Destroyed Workers: When a worker is destroyed, it is placed on the
by the Sphinx’s game. If a second worker is destroyed, this ends the riddle immediately. Any achieved objectives still earn rewards for your adventure.
Exile: An exiled card is returned to the box and cannot be used this game.
Figures: Any worker or character’s pawn is a figure. Some powers affect only
workers, and not other figures, such as the King / Sphinx (who are not workers).
Piece: A level-1
, level-2 , level-3 block or dome .
Wanderer : A shared worker used in 3 player mode that any player can
use. It cannot be the 1 st worker to move on 2 consecutive turns.
Workers: Miniatures controlled by the players, including white , blue ,
brown workers, and the shared Wanderer (in 3-player games). GLOSSARY
You do not need to read this section until you have a question during a game. SETTING UP A RIDDLE
Level 1 block
Level 2 block
Level 3 block
Dome
Choose any piece (block / dome)
Die results
Set up a worker here
Set up the King here
Set up the Sphinx here
Builder god
Mover god
Specialist god
Set up a blessing token
Set up a 1-high tower
Set up a 2-high tower
Set up a 3-high tower
Set up a 4-high tower
A unique map feature
(See Santorini rulesheet or roxley.com/santorini for an expanded glossary.)
Before going further, open the Book of Riddles and read the story page, then play the quick Sunshine & Seashores tutorial. STOP
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The start player goes first, then turns proceed clockwise until the riddle ends. On each turn you must:
TAKING A TURN
① PERFORM AN ACTION | ② RESOLVE REWARDS | ③ APPLY SCENARIO EFFECTS

① PERFORM AN ACTION: Move Then Build - OR - Select a God - OR - Play Sphinx's Game

MOVE THEN BUILD
MOVE
Move one of your workers to
an unoccupied neighboring
(adjacent) space.

When moving higher, you may
move up a maximum of 1 level.

When moving lower, move
down any number of levels.

*You may also move along the same level.

THEN
BUILD
Build one time on an
unoccupied space
neighboring the
moved worker.

SELECT A GOD
DEMETER
MINOTAUR
PROMETHEUS

Choose a god from the queue
and place it in front of you.

Take the indicated piece from the box
and place it onto your god card.
Anybody can build this piece.

Only you gain your god's power.

Only you can finish your god's quest.
Most gods have the default quest:
Clear the last piece off this card on a turn
where you made use of its power.
The default reward is [icon] which means
you add any 1 piece to the stockpile.
Some quests also depict unique rewards.

DEMETER
4
After You Build: You may build an
additional time in a different space
neighboring the builder.
Quest: (Default) Clear this while using its power. [icon]

You can hold up to 2 gods at
once, and use both their
powers together!
If are at your 2-god limit,
you cannot Select a God.

*All powers and quests are optional in Riddle of the Sphinx.

PLAY SPHINX'S GAME
MINOTAUR
PROMETHEUS
SPHINX'S GAME

Roll the die. [dice icon]

[green gem icon] If the rolled color
matches a gem token:
Success! Discard that
gem and gain [icon].

[red 3 icon] If the gem matching the
rolled color is gone:
Fail! You must destroy a chosen
worker of any color.

The 1st destroyed worker will fill this slot. [skull icon]
The 2nd destroyed worker ends the riddle! [skull icon]

SPHINX'S GAME
Setup: Fill these slots with 3 gem tokens
which match the slot shapes & colors.
Spend a Turn: Roll the die [dice icon], then
select a reward matching the rolled color.
• On a [green gem icon]: Gain [icon] & discard the gem.
• On a [red 3 icon]: Destroy 1 of your workers!

*Any achieved objectives still earn rewards for your adventure.

[asterisk icon] In Riddle of the Sphinx, builds must use a block or dome from
the shared stockpile or from any player's god card (not from the box).

Builds can be up or down
any number of levels.

Use the appropriate block/dome
shape for the level being built.
Dome
Blocks
Level-3
Level-2
Level-1
Ground
Complete Tower

*You may move onto blocks built by any player (but not onto domes).

[asterisk icon] In Riddle of the Sphinx, if you cannot move or do not have the
blocks to build, you must choose a different action for your turn.

② RESOLVE REWARDS (if any, in any order)

DEMETER
DISCARD
X
Discard any gods who have all their pieces
cleared off. Gain quest rewards (if earned).
* You lose a discarded god's power.

[star icon] + [worker icon]
Collect blessing tokens under workers. Add
a blessing on top of the god deck for each.

SILVER
[dome icon] [dome icon] [dome icon]
Reward: Add a dome to the stockpile.
Gain objective rewards for each
objective you achieved this turn (if any).

③ APPLY SCENARIO EFFECTS (if any)

Apply any TO END EACH TURN effects. Then play proceeds clockwise to the next player at the table.

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CONSTELLATION MAP RULES
6
This example page teaches you the Adventure Map rules.
The Adventure Map is a menu for selecting your next riddle.
After every riddle do 3 steps on the Adventure Map
to record lasting rewards for your ongoing adventure!
New participating players sign the guestbook.
If you just completed the tutorial, start your adventure
now on the 1 st blank Adventure Map page.
(There is no need to bring the same players to every riddle.)
Shade objective circles. If you just did the tutorial, turn
to your Adventure Map to shade the Silver & Gold
objective circles that match the ones you just achieved.
The Adventure Map shows many islands, each with a
sequential set of riddles to solve. The riddles on Paradise
Isles teach the game, so we recommend starting here.
After completing an island, you can progress to any other
island, starting with the first riddle on that island.
Each riddle’s page number is shown here.
Riddles have up to 4 objective circles , c
their objectives (Silver , Gold , Heroic , Godlike ).
After playing a riddle, record your achieved objectives by
shading in their matching objective circles on your Adventure
Map. You can replay a riddle any time for fun or to shade in
previously missed objective circles. (You gain no further rewards
for achieving a specific objective a second time.)
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7
The Constellation Tree previews each god you can unlock
during your Adventure. Each god’s constellation shows:
Their starting brick(s).
Their power type - Mover / Builder / Specialist.
A summary of their god power.
Their unique card number.
Each time you shade a new Adventure Map objective circle:
You must also shade a diamond (not arrow )
along any path, anywhere on your Constellation Tree.
A fully-shaded path connects 2 god constellations together.
If shaded paths connect a god to the center, Polaris , they
become a friendly god and you must shade their .
Starting with Riddle #3, you will be required to select some
of your friendly gods to add to your opening queue.
Starting with Riddle #2 you will use blessings.
Blessing tokens are collected if a worker ends a turn on
them. This draws a blessing card, placing it on top of the god
deck. Once blessing cards are revealed in the queue, they can
be discarded for a one-time power (see blessings on page 4).
When a riddle instructs you to choose a friendly god
from the Constellation Tree, immediately shade one of the
unfilled arrows (if any) pointing toward the chosen god.
There are 20 numbered blessing cards. During setup, the
blessing deck is assembled by finding any blessing cards
whose number is equal to or less than your blessing score.
You begin with a blessing score of 8, from Polaris .
Each time you shade in all 3 arrows surrounding a
+1 star , you will also add +1 to your blessing score by
filling in the next circle on your blessing score track.
Each time you increase your blessing score, you are
unlocking a new blessing that you might draw from your
blessing deck in future plays.
Shade diamonds. If you just did the tutorial, you just
shaded 2 Adventure Map objective circles for Sunshine
& Seashores. You must now turn to your Constellation
Tree, and shade in 2 diamonds
along any path.
(You can shade these 2 red suggestions or make your own choice.)
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17 - S
18 - F
19 - T
20 - T
13 - S
14 - Le
15 - Ba
16 - Black
5 - Lost a
6 - T
7 - C
8 - W
O - S
1 - The Lighthouse
2 - S
3 - Prosper & Flourish
4 - A N
9 - T
10 - The Riv
11 - Pulled from the Grave
12 - T
21 - Through the Gates
22 - LBefore entering, you must have shaded in at
least 1 objective circle on each Riddle ( 1 - 20).

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As you build a piece, add
another from this card
4
DRYADS
If 1st move is or ,
others may copy it
6
SELENE
Build a 2nd time with a
worker who is higher
24
ZEUS
Force your worker onto
a block they just built
28
MEDEA
Once, all workers destroy
a block under them
15
SIREN
After move, force 2-away
workers next to you
25
POSEIDON
2nd worker may build, if
build is higher than 1st
21
ECHO
Copy a god card from
the queue
7
TYCHE
Build high for a chance
to gain blessings
27
PROMETHEUS
Build both before and
after your moves
22
HERMES
Move 0-3 spaces along
only one level
11
PROTEUS
Teleport any worker to
the space you leave
23
PHOBOS
After move: force each
neighbor 1 space away
19
OREADS
Build next to 1 worker
to grant a bonus turn
17
TERPSICHORE
Copy a move with a 2nd
worker, they build also
26
HYPNUS
A 2nd worker copies
your move or build
13
ARES
Before moving to a space,
destroy a block there
2
DIONYSUS
Gain 2 immediate
blessings to use
5
APOLLO
Move onto a worker
to swap places
1
PLEIADES
Teleport between
same-height buildings
20
PEGASUS
Move up any
number of levels
18
MOERAE
Reroll the . Complete
quest to revive a worker
16
Clear this & put a discarded
god in the queue
HADES
10
ERIS
Consumes stockpile. Build a
2nd time from this card.
8
CHARON
As a move, force a nearby
worker to your other side
3
GRAEAE
You may move 1 worker
& build with any other
9
KRATOS
Spend a to destroy
a neighboring block
14
HESTIA
Build next to any tower
to build a 2nd time
12 The Constellation Map rules are explained on page 6.

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