Table:
0
A
B
C
D
E
1
Developer(s)
Release date
Required OS
Payment
Type
2
Microsoft Research
March 16, 2000
Windows
Free to play
3D
3
Zeonix
January 2003
Windows
Free to play
2D
4
Open Source
January 5, 1996
Linux
Free to play
2D
5
Omerta Game Limited
26 September, 2003
Browser-based
Free to Play
Text
6
Open Source
August 19, 2005
Windows , OS X , Linux
Free to Play
3D
7
Virgin Interactive
November 30, 1997
Windows
Free to play
2D
8
Open Source
August 5, 2000
Windows , OS X , Linux
Free to Play
3D
9
Virtonomics Co.
May 30, 2009
Windows
Free to play
Text
10
Open Source
December 23, 2010
Windows , OS X , Linux
Free to Play
3D

Questions and formulas:
Question: Which Release date has a Required OS of windows, a Type of 2d, and a Developer(s) of zeonix?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,(C1="windows")*(E1="2d")*(A1="zeonix")),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E10,(C2:C10="windows")*(E2:E10="2d")*(A2:A10="zeonix")),2))
Level: medium
Question: Which Payment has a Type of 2d, and a Release date of january 2003?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,(E1="2d")*(B1="january 2003")),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E10,(E2:E10="2d")*(B2:B10="january 2003")),4))
Level: medium
Question: Which Payment has a Type of text, and a Release date of 26 september, 2003?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,(E1="text")*(B1="26 september, 2003")),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E10,(E2:E10="text")*(B2:B10="26 september, 2003")),4))
Level: medium
Question: Which Type has a Release date of november 30, 1997?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,B1="november 30, 1997"),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E10,B2:B10="november 30, 1997"),5))
Level: medium
Question: Which Release date has a Type of 2d?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,E1="2d"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E10,E2:E10="2d"),2))
Level: medium
Question: Which Release date has a Developer(s) of microsoft research?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,A1="microsoft research"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E10,A2:A10="microsoft research"),2))
Level: medium