[FREE] Gamedev materials

Learn C#

https://www.udemy.com/course/the-ultimate-guide-to-c-unity-programming-2020/

The book "Unreal Engine 4.x Scripting with C++ Cookbook - Second Edition" is free on Packt Pub for the day.

https://www.packtpub.com/free-learning

It requires an account.

The EPIC Unreal Engine giveaways for December:

https://www.unrealengine.com/en-US/blog/featured-free-marketplace-content-december-2020

Free for the month

Blockout Tools Plugin              Dmitry Karpukhin
Modular Swimming Pool Megapack     Switchboard Studios
Teleportation and Portal           HighRender
Realistic Forest Pack              DigitalTris
200+ Grunge Decals                 TextureMax

Permanently Free Collection

Power IK                           Epic Games 

Hands-On Game Development with WebAssembly

learning game dev, gamified ^^ : https://store.steampowered.com/app/1294220/Learn_Game_Development_Unity_Code_Monkey/

a great community effort to identify or offer free game assets : https://www.reddit.com/r/gameassets/
with a caveat : no 'free' assets that require sign-up

Packt: C++ Game Development By Example

Blender 2.8 Bootcamp

https://www.udemy.com/course/blender2-8bootcamp/?couponCode=EC3E916E254F200450DD

This month free Marketplace content:

https://www.unrealengine.com/en-US/blog/featured-free-marketplace-content---january-2021

Free for the month

Advanced Puzzle Constructor                    Andrey Harchenko
Western Desert Town                            KK Design
Sword and Shield First Person Animation Set    Hammerhead
Smoke Builder                                  W3 Studios
City Subway Tunnel                             Dekogon Studios

Side note:
I did also find these free item:

Epic Games Content

Remote Control Web Interface           Epic Games
Unreal Engine Hour of Code             Epic Games
UE4All: Pivot Building                 Epic Games
UE4All: City                           Epic Games
UE4All: Sculpture                      Epic Games

Unreal and C++
https://www.udemy.com/course/unrealcourse/?couponCode=CAC58A3219F9471697B5

https://www.udemy.com/course/unrealmultiplayer/?couponCode=E4906FD8D9334A8A91CC

Free stuffs, there : https://myfirstgamejam.tumblr.com/assets
Also that jam is for first timers.
Goal is to release anything, Even just a title screen!
It has started January 9th, until 23th.

C# and Unity 2020
https://www.udemy.com/course/learn-program-csharp-make-videogame-unity-prefabs-animations-platform/?couponCode=UDEMY-FREE-2021-1

Intro Game Development
https://www.udemy.com/course/beginner-2d-game-development-in-unity/?couponCode=199545547C22EE5216B3

Blender 2.8 Stylised 3D Game Model Complete Beginners Guide
https://www.udemy.com/course/stylized-3d-game-model-complete-beginners-guide/?couponCode=JANUARYGIVEAWAY

As reported by Gamesfromscratch YouTube and Epic https://www.unrealengine.com/en-US/blog/free-downtown-west-environment-collection-now-available

Permanently Free Collection

Downtown West Modular Pack          PurePolygons

You may be able to get Lava & Volcano Environment 2019.
I had already bought something from NatureManufacture.

https://assetstore.unity.com/publisher-sale

Notice the coupon code: LAVAFREE2021

It does require an Unity Id, and either credit card/pay pal information even when the price is $0.

Until January 22.

Open GL
https://www.udemy.com/course/introduction-to-modern-opengl-a-tale-of-two-shaders/?couponCode=FREE_3DAY

This february free items from Epic

https://www.unrealengine.com/en-US/blog/featured-free-marketplace-content-february-2021

Free for the month

Supermarket                    mojtabamohammadi
Bossy Enemy Animation Pack     kampinis
Winter Forest Set              Patrick
Stylized Modular Character     Mad Mike 3D
Industrial Area Hangar         Kirill Sibiriakov

Also found this in "Epic Games Content" category.

Automotive Winter Scene           Epic Games

Looked through the free section at Epic Unreal Engine Market. Found these:

Epic Games Content

Unreal Learning Kit: Games
Unreal Futures: Careers in Advertising

Quixel Megascans: Found 71 new assets - though they might have been there for a while.

https://www.unrealengine.com/en-US/blog/city-of-brass-and-the-vagrant-swing-into-the-marketplace-collection

Actual assets from the games City of Brass and The Vagrant.

Find these at the Marketplace / Free / Marketplace Collection

City of Brass: Environments
City of Brass: Props
City of Brass: Enemies
The Vagrant: Background Construction Pack 01
The Vagrant: Background Construction Pack 02

Free content on Unreal's Marketplace--March

https://www.unrealengine.com/en-US/blog/featured-free-marketplace-content---march-2021

Free for the month

Medieval Castle Modular Vol 1             GameAssetFactory
Hack And Slash FX                         pelengami
Office Scene                              Jaime Perez
Turn-Based jRPG Template                  PhoenixMarket
Advanced Vehicle System                   Seven47 Software

Permanently free collection

Physical Layout Tool                      saeidgholizade

Modelling with Pro Builder (Spanish)

https://www.udemy.com/course/probuilder-disena-assets-3d-para-videojuegos-con-unity-3d/?couponCode=FREEMR

Aprende a desarrollar videojuegos con Unity 2021 [Breakout]

https://www.udemy.com/course/aprende-a-desarrollar-videojuegos-con-unity-2021-breakout/?couponCode=42E3880A9A345FA9B5F8

Build A Multiplayer Kart Racing Game In Unity V.2019

https://www.udemy.com/course/kart-racing/?couponCode=NATIONALMARIODAYFREE

RUN!!!

Java Games Development With libGDX | Create 5 Games

https://www.udemy.com/course/libgdx-game-development/?couponCode=AD683BAE2A56CAC61D64

The "Free Learning" book for the day on PackPub:
"Complete Virtual Reality and Augmented Reality Development with Unity"

Color Studio is free with the code KRONNECT2021 at checkout on Unity Asset Store!
here the page: https://assetstore.unity.com/publisher-sale