- Solraid
- The Old Prison
- Little Red Rocket Ship
- Walk
- The Playhouse
- Bombo Rumble
- CYBERNETIC MOON HORSE 2071
- The Lost World

New claimable freebies:
- DayEnd (Survival, Windows)
- The Love Interests get their Own Game (Visual Novel, Windows/macOS/Linux)
- Deep in Dark (Demo) (Puzzle, Windows, Prototype)

- Game Nightmare
- Mouse Maze Escape
- Pop Caps!!!

New claimable freebies:
- Agri-Cup : The Farming Game (Strategy)
- A tale of blue witch (Action, Windows/macOS/Linux)
- robo wars (Shooter, Windows)
- The Savior (Platformer/Adventure, Windows/macOS/Linux), expired
- Z-World (Survival, Windows)

- Deep in the Dark (Demo)
- Materia Ex Vita

Asset - Stylized Weapon Icons Pack: https://pulsarxstudio.itch.io/stylized-weapon-icons-pack
Asset - 175 Classic Synthesizer Samples: https://argondevilguiderods.itch.io/100-classic-synthesizer-samples

This page is a good resource for Itchio giveaways:
https://old.reddit.com/r/FreeGameFindings/comments/p0ik3q/itchio_mega_thread_10/

But if people don't like using Reddit, or can't for some reason, these are the recent giveaways posted there that still appear to be active:

https://itch.io/s/56233/lol
https://itch.io/s/56206/free-for-a-week
https://itch.io/s/56230/sexy-sale
https://itch.io/s/56237/freedom-of-the-avaris
https://itch.io/s/55134/gamesgamesgames
https://itch.io/s/56182/on-sale
https://itch.io/s/56186/war-in-quickstart
https://jayandhansurea.itch.io/nightmare-on-north-sentinal
https://itch.io/s/56176/28-copyright-free-lofi-beats-to-chill-develop-games-to
https://itch.io/s/56166/stay-at-home-sale
https://itch.io/s/43721/total-rendition-itchio-giveaway
https://jayandhansurea.itch.io/nightmare-on-north-sentinal

https://itch.io/s/56273/hump-day-sale
https://itch.io/s/56246/on-0917
https://itch.io/s/56266/unforgiven-back-on-the-menu


https://itch.io/s/56271/tikaelbundle
Some of the titles of the giveaway right above are required to be in the user's account to access the giveaways below (doesn't matter if you got them for free):
https://itch.io/s/33888/merfolk-sfw-cross-buy
https://itch.io/s/33797/bugbear-sfw-crossbuy

https://itch.io/s/56356/space-hole
https://itch.io/s/56338/colortris-giveaway
https://itch.io/s/56027/autumn-sale
https://itch.io/s/38661/free-access
https://itch.io/s/56295/stay-at-home-sale
https://itch.io/s/56290/monkey-is-spinning-giveaway
https://itch.io/s/56285/clean-as-my-mind

https://itch.io/s/56377/ride-n-chill-100-off
https://itch.io/s/56291/september-sale-2021
https://itch.io/s/56395/early-access-free
https://itch.io/s/56386/free
https://itch.io/s/26893/game-giveaway
https://itch.io/s/55357/100-off-super-bot

https://itch.io/s/56422/bloodlvst-release
https://itch.io/s/56439/pbmns-sale
(Download only) https://itch.io/s/56441/sorry-for-the-update-delay
https://itch.io/s/48966/seriously-its-just-a-room
https://itch.io/s/53663/grab-yerself-some-free-audio-samples-