diff --git a/docs/games.md b/docs/games.md
index 6a012965f0..f16aa6b40a 100644
--- a/docs/games.md
+++ b/docs/games.md
@@ -72,6 +72,7 @@ Status | Game
~ | [Phantom Go](#phantom-go)
~ | [Phantom Tic-Tac-Toe](#phantom-tic-tac-toe)
![](_static/green_circ10.png "green circle") | [Pig](#pig)
+![](_static/green_circ10.png "green circle") | [Prisoner's Dilemma](#prisoner's-dilemma)
~ | [Poker (Hold 'em)](#poker-hold-em)
![](_static/green_circ10.png "green circle") | [Quoridor](#quoridor)
~ | [Reconnaissance Blind Chess](#reconnaissance-blind-chess)
@@ -737,6 +738,17 @@ Status | Game
* 2-10 players.
* [Wikipedia](https://en.wikipedia.org/wiki/Pig_\(dice_game\))
+### Prisoner's Dilemma
+
+* Players decide on wether to cooperate or defect given a situation with
+ different payoffs.
+* Simultaneous.
+* Traditional game.
+* Deterministic.
+* Perfect Information.
+* 2 players.
+* [Wikipedia](https://en.wikipedia.org/wiki/Prisoner%27s_dilemma)
+
### Poker (Hold 'em)
* Players bet on whether their hand of cards plus some communal cards will