Update game-design-document.md (ref #2)

- Add titles of 2 ideas
- Add links to inspiring games

docs/game-design-document.md

@@ -2,13 +2,26 @@
 
 *Authored by: Jonas and Viktor*
 *Repo: https://git.gvk.idi.ntnu.no/jonasjso/double-trouble*
-*Template: [A GDD Template for the Indie developer](https://www.gamasutra.com/blogs/JasonBakker/20090604/84211/A_GDD_Template_for_the_Indie_Developer.php) 22.08.2020
+*Template: [A GDD Template for the Indie developer](https://www.gamasutra.com/blogs/JasonBakker/20090604/84211/A_GDD_Template_for_the_Indie_Developer.php) 22.08.2020*
 
-## 1. Concept Introduction
+## Idea 1: A Brawl / Battleroyale competitive - kind of game
 
 ### 1.1 The Pitch
 ### 1.2 Game type
 ### 1.3 Inspiring games
+- Playing with fire 2 - https://www.crazygames.com/game/playing-with-fire-2
+- Fall guys - https://store.steampowered.com/app/1097150/Fall_Guys_Ultimate_Knockout/
+- PUBG - https://store.steampowered.com/app/578080/PLAYERUNKNOWNS_BATTLEGROUNDS/
+
+## Idea 2: A Couch-puzzle co-op - kind of game
+
+### 1.1 The Pitch
+### 1.2 Game type
+### 1.3 Inspiring games
+- Lovers in a dangerous spacetime - https://store.steampowered.com/app/252110/Lovers_in_a_Dangerous_Spacetime/
+- Overcooked - https://store.steampowered.com/app/448510/Overcooked/
+- Zelda tri-force-heroes - https://en.wikipedia.org/wiki/The_Legend_of_Zelda:_Tri_Force_Heroes
+
 
 ## 2. The plot