Cheap games by Firaxis Games

Sid Meier's Civilization VII
$32.62
+6
Sid Meier's Civilization VII: Silla Pack
Sid Meier's Civilization VI: Platinum Edition
$6.60
+2
Sid Meier's Civilization VII: Simón Bolívar Pack
$4.99
+5
Sid Meier's Civilization VII: Ada Lovelace Pack
$4.99
+5
Sid Meier's Civilization VII: Xerxes (The Achaemenid) Persona
$2.99
+5
Sid Meier's Civilization VII: Friedrich (Baroque) Persona
$2.99
+5
Sid Meier's Civilization VII: Genghis Khan Pack
+5
Sid Meier's Civilization VII: Assyria Pack
+3
Sid Meier's Civilization VI
$0.56
-91%
+6
Marvel's Midnight Suns
$5.00
-45%
+4
Marvel's Midnight Suns: Legendary Edition
$12.03
+4
XCOM 2
$1.13
-99%
+4
Sid Meier's Civilization V
$1.79
-81%
XCOM 2 Collection
$2.31
+5
Marvel's Midnight Suns: Digital+ Edition
$7.34
+4
XCOM: Enemy Unknown
$1.26
-96%
+5
Sid Meier's Civilization: Beyond Earth
$1.41
-86%
XCOM: Chimera Squad
$1.52
-93%
Sid Meier's Pirates!
$0.60
-76%
Sid Meier's Railroads!
$0.27
-90%
Sid Meier's Civilization III: Complete
$0.32
-68%
Sid Meier's Civilization VI: Gathering Storm
$3.60
-82%
Sid Meier's Civilization IV
$1.19
-71%
CivCity: Rome
$0.19
-93%
Sid Meier's Starships
$0.31
-92%
XCOM: Enemy Within
$2.95
-91%
XCOM: Enemy Within
$2.95
-91%
+3
Sid Meier's Ace Patrol: Pacific Skies
$0.17
-87%
Sid Meier's Civilization V: Gods & Kings
$2.15
-72%
Sid Meier's Civilization VII: Tecumseh and Shawnee Pack
$5.99
+5
XCOM: Enemy Unknown - The Complete Edition
$1.23
-98%
Sid Meier's Civilization: Beyond Earth - Rising Tide
$1.85
-76%
XCOM 2: War of the Chosen
$3.46
-92%
+3
Sid Meier's Ace Patrol
$0.16
-88%
Sid Meier's Civilization V: Brave New World
$3.32
-56%
Marvel's Midnight Suns: Enhanced Edition
$8.71
Sid Meier's Civilization VI: Rise and Fall
$2.48
-84%
Sid Meier's Civilization IV: Colonization
$4.32
Sid Meier's Civilization VI: Babylon Pack
$4.49
+2
Sid Meier's Civilization IV: Complete Edition
$1.23
Sid Meier's Civilization IV: Warlords
$1.24
XCOM: Enemy Unknown - Slingshot Pack
$0.69
XCOM 2: Shen's Last Gift
$6.48
Sid Meier's Civilization IV: Beyond the Sword
$1.34
-47%
Sid Meier's Civilization V: The Complete Edition
$44.35
Marvel's Midnight Suns: Blood Storm
$5.99
+3
Marvel's Midnight Suns: The Good, The Bad, and The Undead
$5.99
+3
Marvel's Midnight Suns: The Hunger
$5.99
+2
Marvel's Midnight Suns: Redemption
$5.99
+3
Sid Meier's Alpha Centauri
Free
Sid Meier's Civilization III
Sid Meier's Civilization III: Conquests
Sid Meier's Gettysburg!
Sid Meier's Civilization III: Gold Edition
Sid Meier's SimGolf
Sid Meier's Civilization III: Play the World
Sid Meier's Antietam!
Sid Meier's Civilization IV: Gold Edition
XCOM: Enemy Unknown - Elite Edition