https://itch.io/s/57350/one-year-of-whwhwh
https://itch.io/s/57349/free-rpg-day
https://transval.itch.io/sword-game/purchase
https://transval.itch.io/omphalos/purchase
https://transval.itch.io/asterisk/purchase
https://transval.itch.io/alphabet-soup-the-bits/purchase
https://transval.itch.io/ashes/purchase
https://transval.itch.io/wizard-game/purchase
https://transval.itch.io/lazuli/purchase
https://itch.io/s/57352/vals-freerpgday2021-bundle
https://itch.io/s/53800/something-cursed-for-your-fingers-ears
https://itch.io/s/57351/freerpgday

https://itch.io/s/57382/free-spooky-month
https://itch.io/s/57369/free-rpg-day-but-a-day-late
https://itch.io/s/57366/deal-of-the-week
https://itch.io/s/56644/all-for-one
https://itch.io/s/57359/padager

https://itch.io/s/57406/gift-free-assets
https://itch.io/s/57398/first-sale
https://itch.io/s/57392/i-missed-freerpgday
https://itch.io/s/56931/sale

Eagersprout's Survival Pixel Art Iconset isn't as obvious since it isn't claimable and there's no announcement on the asset page, but according to the dev's Twitter and Itch comments, this free-to-use asset pack is only free until November 1st.

https://itch.io/s/57467/trapped-free-for-2-days
https://itch.io/s/57443/touch-boy
https://itch.io/s/57432/hump-day-sale

https://itch.io/s/57523/larger-than-light-indiecade-sale
https://itch.io/s/57497/anaphora
https://itch.io/s/57487/100-sale
https://itch.io/s/57521/spooktober-spook-give-away
https://itch.io/s/57496/karporam-open-beta-phase-2
https://itch.io/s/57354/get-my-game-for-free

https://itch.io/s/57516/lupin-iii-50th-anniversary-weekend
https://itch.io/s/57554/the-magick-is-100-off
https://itch.io/s/57557/spooky-sale-100-off-the-flight
https://itch.io/s/57536/happy-weekend
https://itch.io/s/57550/halloween-sale

https://itch.io/s/57578/-
https://itch.io/s/56931/sale
https://itch.io/s/57398/first-sale
https://itch.io/s/54818/100-off-adventures-with-a-girl
https://itch.io/s/57563/halloween-lockdown-sale
https://itch.io/s/55268/war-for-family

https://itch.io/s/57810/itchio-halloween-sale-2021
https://itch.io/s/57945/deal-of-the-week
https://itch.io/s/57964/blades-adrift-free
https://itch.io/s/57935/slap-your-friends-for-free

https://itch.io/s/58222/itchio-halloween-sale-2021
https://itch.io/s/10011/pay-what-you-want
https://itch.io/s/44727/2021-sale
https://itch.io/s/57649/itchio-halloween-sale-2021
https://itch.io/s/57904/carrotcake-halloween-sale-2021-pay-any-price
https://itch.io/s/56586/pay-what-you-decide-for-brighton-digital-festival

https://itch.io/s/58323/kyanite-hearts-100-off-halloween-sale
https://itch.io/s/58278/itchio-climaniache-alpha-02-libre
https://itch.io/s/57605/halloween-gifts
https://itch.io/s/57705/itchio-halloween-sale-2021
https://itch.io/s/58028/itchio-halloween-sale-2021
https://itch.io/s/57977/fantasy-chess
https://solflo.itch.io/you-thebeast/purchase
https://itch.io/s/57892/itchio-halloween-sale-2021
https://future-games.itch.io/musketfish/purchase
https://itch.io/s/58182/itchio-halloween-sale-2021
https://anamika.itch.io/not-a-home/purchase
https://itch.io/s/57791/itchio-halloween-sale-2021
https://itch.io/s/57725/itchio-halloween-sale-2021
https://itch.io/s/57851/itchio-halloween-sale-2021
https://itch.io/s/57866/tdr-last-sale-before-update
https://itch.io/s/57615/itchio-halloween-sale-2021
https://itch.io/s/58308/itchio-halloween-sale-2021
https://itch.io/s/58062/itchio-halloween-sale-2021
https://itch.io/s/57985/itchio-halloween-sale-2021
https://itch.io/s/57741/itchio-halloween-sale-2021
https://itch.io/s/58021/itchio-halloween-sale-2021
https://itch.io/s/58275/halloween-sale
https://itch.io/s/57688/itchio-halloween-sale-2021
https://itch.io/s/57738/itchio-halloween-sale-2021
https://itch.io/s/58045/itchio-halloween-sale-2021
https://itch.io/s/58240/itchio-halloween-sale-2021
https://itch.io/s/58187/halloween

(NSFW) https://itch.io/s/57737/catboy-halloween-2021
https://itch.io/s/58592/controller-checker-2022-beta-rollout-sale
https://itch.io/s/58594/halloween-2021-sale
https://itch.io/s/58508/itchio-halloween-sale-2021
https://itch.io/s/58343/itchio-halloween-sale-2021
https://itch.io/s/58614/itchio-halloween-sale-2021
https://itch.io/s/58591/halloween-sale-2021
https://itch.io/s/58548/itchio-halloween-sale-2021
https://itch.io/s/58577/g4-halloween-special
https://itch.io/s/38661/free-access
https://itch.io/s/58571/itchio-halloween-sale-2021
https://itch.io/s/58574/itchio-halloween-sale-2021
(NSFW) https://itch.io/s/58394/itchio-halloween-sale-2021
https://itch.io/s/58467/itchio-halloween-sale-2021
https://itch.io/s/58412/itchio-halloween-sale-2021
https://itch.io/s/58476/itchio-halloween-sale-2021
https://itch.io/s/57981/first-week-free
https://itch.io/s/58468/sweets-defence-halloween-offer

https://itch.io/s/58818/itchio-halloween-sale-2021
https://itch.io/s/57651/itchio-halloween-sale-2021
https://itch.io/s/58760/itchio-halloween-sale-2021
https://itch.io/s/58784/minigolf-sale
https://itch.io/s/58530/resistance-is-freetile-halloween-2021
https://itch.io/s/58762/itchio-halloween-sale-2021
https://itch.io/s/58823/rubyconf-2021-kickoff
https://djmaxcz.itch.io/spaceship-of-halloween
https://itch.io/s/58677/halloween-sale
https://itch.io/s/58240/itchio-halloween-sale-2021
https://itch.io/s/58703/free-to-spooks-and-alive-people-alike
https://itch.io/s/58732/bloodforce-birthday
https://itch.io/s/55129/halloween-2021-flash-sale
https://itch.io/s/58442/itchio-halloween-sale-2021-100
https://itch.io/s/58655/itchio-halloween-sale-2021