Terrain

• Procedural Generation of 3D Caves for Games on the GPU - 2015
• How we Generate Terrain in DwarfCorp - 2013
• Modeling Real-World Terrain with Exponentially Distributed Noise
• Fractal Terrain Generation - 2010
  
• Polygonal Map Generation for Games - 2010
• 3D Cube World Level Generation - 2011
  
• Adding Realistic rivers to random terrain - 2004
• A Method For 'Growing' Rivers In A Randomly Generated World - 2002
• Simplex noise demystified - 2005
  

Maze

• Procedural Level design in Eldritch - 2015
• Interview: How Does Level Generation Work In Brogue? - 2015
• Unite 2014 - Generating Procedural Dungeons in Galak Z - 2014
  
• Level Design in Procedural Generation - 2014
• Procedural Modeling of Cave-like Channels - 2014
• Procedural Level Generation in Games using a Cellular Automaton: Part 1 - 2014
• Bake Your Own 3D Dungeons With Procedural Recipes - 2014
  
• Random level generation in wastelands kings - 2013
• Maze Generation: Algorithm Recap - 2011
• Herringbone Wang Tiles  - 2011
• Procedural Level Generation Using Occupancy-Regulated Extension - 2010
• Unangband Dungeon Generation - Part Five (Elements) - 2007
  
• Roguelike Dungeon Generation

City/Buildings

• Procedural and Automation Techniques for Design and Production of Sunset Overdrive - 2015
• Procedural City Generation in Python - 2015
• Designer-driven 3D Buildings Generated Using Variable Neighborhood Search - 2014
• Procedural City - 2009
  
• Citygen: An Interactive System for Procedural City Generation - 2007
• Procedural Content Generation - 2007
• Procedural Modeling of Buildings  - 2007
• Procedural Modeling of Cities - 2007
  
• A Survey of Procedural Techniques for City Generation - 2006
• Procedural Buildings Tutorial 
• Procedural Building Implementations   
  

Textures

• Intro to Procedural Textures

Quest

• Towards Story-Based Content Generation: From Plot-Points to Maps - 2012
• Toward Supporting Stories with Procedurally Generated Game Worlds - 2011
  
• Procedural Progression - 2009

World

• Procedurally Generating Wrapping World Maps in Unity C# (One, Two, Three and Four) - 2016
• Procedural World Generation and Simulation in DWARF FORTRESS - 2012
• 2D procedurally generated world building in Unity - 2015

GPU-Based Procedural Placement in Horizon Zero Dawn - 2017
PCG Shotgun: 6 Techniques for Leveraging AI in Content Generation - 2017
Practical Procedural Generation for Everyone - 2017
Procedural Narrative Generation - 2017
Continuous World Generation in 'No Man's Sky' - 2017
Building Worlds Using Math(s) - 2017
Procedural Generation in Shattered Planet - 2015

Voronoi Noise
Value Noise
Perlin Noise
Layered Noise

Implementation of Fast and Adaptive Procedural Cellular Noise - 2019
http://jcgt.org/published/0008/01/02/