Borderlands: The Handsome Collection and Sludge Life on Epic Games

Borderlands: The Handsome Collection

Free to keep when you get it before June 06, 2020 (15:00 UTC).

Click "Get":
https://www.epicgames.com/store/en-US/bundles/borderlands-the-handsome-collection?epic_affiliate=GRABFREEGAMES

This includes Borderlands 2 + ^all DLC and Borderlands: The Pre-Sequel + ^all DLC.

(^The Steam version of Borderlands: The Handsome Collection does not contain the Borderlands 2: Commander Lilith & the Fight for Sanctuary DLC, which might be the same case for the Epic version.)

Borderlands 2 - Ultra HD Texture Pack Even though this DLC is free forever, do not forget to claim it as well.
Click "Get":
https://www.epicgames.com/store/en-US/product/borderlands-2/ultra-hd-pack?epic_affiliate=GRABFREEGAMES

Two-Factor Authentication (2FA) must be enabled to claim the games. email 2fa is enough

Sludge Life
Free to keep when you get it before May 28, 2021 (15:00 UTC).
Click "Get": https://store.epicgames.com/GRABFREEGAMES/sludge-life