Seven scrambled Greek artworks on the director's tablet.

Amphitheater

A keypad on the storage cabinet under the stage.

Hydraulics room

A box on Melina's bookshelf with seven animals and seven symbols.

Museum office

Three tag puzzles: stop the red dog token reaching the stars by placing bars.

River acheron

Block the holes of a sieve-like pitcher so it can carry water to the tub.

Tartarus

Stack all the hand tiles onto the six-hand tile, three boards in a row.

Tartarus

The 'Personal Notes' on Grigor's blue tablet are locked.

Amphitheater

Counterweight six fly lines to the values in Xenia's script.

Amphitheater

Design three temples on the touch screen to meet a list of requirements.

Museum

Melina's office computer asks for a password.

Museum office

Seat the VIP guests in the theatre according to their wishes.

Museum office

Arrange disks on a hidden wall door so only lightning bolts show.

Museum

Disarm the alarm by tracing one closed line through all the smudged circles.

Workshop

Connect numbered controls in the small yellow box on the lift.

River acheron

A grey box in the jewellery case: slide tiles so the closed lid shows seven gems everywhere.

Museum

Fill in the provenance form for three objects on Melina's computer.

Museum office

Put the name labels on the vases in the display.

Museum

Fill the missing tile in a carved triangle of vines and match all the patterns.

Tartarus

Move symbol stones around a panel so each famous Greek's pair sits in its colour.

Underworld

Spell the four actors' names in Greek on the tunnel door.

Tunnel

Slide rows and columns of letters until they join in one alphabetical line.

Amphitheater

Programme five lighting cues following Xenia's notes.

Amphitheater

Slide chains of black squares so the yellow side shows 9 and the green side 7.

Tartarus

Arrange seven gods in the right order to open Charon's hand.

River acheron

Find the one heavier stone among eight in two weighings.

Underworld

Rotate the rings of the lock on your ankle to spell words.

Fire room

Spin and move coloured tiles to match the top row and raise the bridge.

Fire room

Place coloured seeds in a honeycomb next to the fire-room door.

Fire room

Charge the router in five presses by starting big chain reactions.

Underworld