I'm not feeling well right now so I can't record the "Hidden Deals" video I'm afraid. However I did compile this list of games which are both good (to some degree) and ridiculously cheap ($3 or less, most around $1)
Defy Gravity Extended - https://store.steampowered.com/app/96100/?utm_source=SteamDB&utm_medium=SteamDB&utm_campaign=SteamDB%20Sales%20Page
Runner 2 - https://store.steampowered.com/app/218060/?utm_source=SteamDB&utm_medium=SteamDB&utm_campaign=SteamDB%20Sales%20Page
Toki Tori 2 - https://store.steampowered.com/app/201420/?utm_source=SteamDB&utm_medium=SteamDB&utm_campaign=SteamDB%20Sales%20Page
Deadly Premonition (port sucks, use DPFix to improve it) - https://store.steampowered.com/app/247660/?utm_source=SteamDB&utm_medium=SteamDB&utm_campaign=SteamDB%20Sales%20Page
English Country Tune - https://store.steampowered.com/app/207570/?utm_source=SteamDB&utm_medium=SteamDB&utm_campaign=SteamDB%20Sales%20Page
Vegas Make it Big - https://store.steampowered.com/app/6210/?utm_source=SteamDB&utm_medium=SteamDB&utm_campaign=SteamDB%20Sales%20Page
MEGA DEAL - Introversion Complete Pack - http://store.steampowered.com/sub/14002/?utm_source=SteamDB&utm_medium=SteamDB&utm_campaign=SteamDB%20Sales%20Page
Retro/Grade - https://store.steampowered.com/app/222660/?utm_source=SteamDB&utm_medium=SteamDB&utm_campaign=SteamDB%20Sales%20Page
EYE: Divine Cybermancy - https://store.steampowered.com/app/91700/?utm_source=SteamDB&utm_medium=SteamDB&utm_campaign=SteamDB%20Sales%20Page
Spacechem - https://store.steampowered.com/app/92800/?utm_source=SteamDB&utm_medium=SteamDB&utm_campaign=SteamDB%20Sales%20Page
Stealth Bastard Deluxe - https://store.steampowered.com/sub/18346/?utm_source=SteamDB&utm_medium=SteamDB&utm_campaign=SteamDB%20Sales%20Page
Port Royale 2 - https://store.steampowered.com/app/12470/?utm_source=SteamDB&utm_medium=SteamDB&utm_campaign=SteamDB%20Sales%20Page
Trine 2 : Complete Story - https://store.steampowered.com/app/35720/?utm_source=SteamDB&utm_medium=SteamDB&utm_campaign=SteamDB%20Sales%20Page
Rogue Trooper - https://store.steampowered.com/app/7020/?utm_source=SteamDB&utm_medium=SteamDB&utm_campaign=SteamDB%20Sales%20Page
Explodemon - https://store.steampowered.com/app/281820/?utm_source=SteamDB&utm_medium=SteamDB&utm_campaign=SteamDB%20Sales%20Page
The Bridge - https://store.steampowered.com/app/204240/?utm_source=SteamDB&utm_medium=SteamDB&utm_campaign=SteamDB%20Sales%20Page
Waves - https://store.steampowered.com/app/107600/?utm_source=SteamDB&utm_medium=SteamDB&utm_campaign=SteamDB%20Sales%20Page
SPAZ - https://store.steampowered.com/app/107200/?utm_source=SteamDB&utm_medium=SteamDB&utm_campaign=SteamDB%20Sales%20Page
Marlow Briggs - https://store.steampowered.com/app/249680/?utm_source=SteamDB&utm_medium=SteamDB&utm_campaign=SteamDB%20Sales%20Page
Shatter - https://store.steampowered.com/app/20820/?utm_source=SteamDB&utm_medium=SteamDB&utm_campaign=SteamDB%20Sales%20Page
Super Meat Boy - https://store.steampowered.com/app/40800/?utm_source=SteamDB&utm_medium=SteamDB&utm_campaign=SteamDB%20Sales%20Page
Dust - https://store.steampowered.com/app/236090/?utm_source=SteamDB&utm_medium=SteamDB&utm_campaign=SteamDB%20Sales%20Page
The Maw - https://store.steampowered.com/app/26000/?utm_source=SteamDB&utm_medium=SteamDB&utm_campaign=SteamDB%20Sales%20Page
Brothers - https://store.steampowered.com/app/225080/?utm_source=SteamDB&utm_medium=SteamDB&utm_campaign=SteamDB%20Sales%20Page
Sang-Froid - https://store.steampowered.com/app/227220/?utm_source=SteamDB&utm_medium=SteamDB&utm_campaign=SteamDB%20Sales%20Page
Pineapple Smash Crew - https://store.steampowered.com/app/204390/?utm_source=SteamDB&utm_medium=SteamDB&utm_campaign=SteamDB%20Sales%20Page
Thief 2 - https://store.steampowered.com/app/211740/?utm_source=SteamDB&utm_medium=SteamDB&utm_campaign=SteamDB%20Sales%20Page