Job lot of 35 Perplexcity logic puzzle cards from the (now defunct) ARG game Perplex City. They still function as puzzles in their own right, and/or as collectors pieces.

All cards are in good condition, and the silver coating at the top of each card is unscratched.

10: Red, Spot Anything?
11: Red, Revelation
12: Red, Alcopoetry
15: Red, Milo
20: Red, Barbeque
21: Red, Divide By Three
22: Red, Cold Fission
23: Red, Pack 'O' Stars
24: Red, Double Vision
41: Orange, Whipsmart Wordsearch
44: Orange, You Are Here
46: Orange, Sum Shortcut 
49: Orange, Bookworm
52: Orange, The View From Here
53: Orange, Etaoin Schrdlu
55: Orange, Speed Sight
56: Orange, Gravity
73: Yellow, Animal Magic
76: Yellow, Close Up
77: Yellow, Mondegreen
78: Yellow, Edible Love
83: Yellow, Pawnbroking
84: Yellow, Insights
113: Green, A Capital Idea
114: Green, Taking The Biscuit
118: Green, Chemistry Experiment
119: Green, Mind The Gap
120: Green, Cube Tube
121: Green, Seven Bridges
140: Blue, Mornington Crescent
147: Blue, Directionless
150: Blue, A Journey In The Desert
175: Purple, Binary
177: Purple, Consider A Spherical World
216: Black, Formal Logic