A list of new ones from Reddit
Astroneer
Battle Chasers
Bridge Constructor
Everspace
Guacamelee 2
Hollow Knight: Voidheart
Lichtspeer
Metal Slug
Momodora
Moonlighter
Neon Chrome
Old Man's Journey
Riverbond
Shadow Tactics
Shenmue I & II
Silence
Smoke and Sacrifice
Steamworld Dig 2
Supermarket shriek
Wizard of Legend
Metal Slug was already on the Pass. This is the correct and complete list:
Astroneer
Battle Chasers: Nightwar
Bridge Constructor Portal
Everspace
Guacamelee 2
Hollow Knight
Lichtspeer: Double Speer Edition
Momodora: Reverie Under the Moonlight
Moonlighter
Neon Chrome
Old Man's Journey
Shadow Tactics: Blades of the Shogun
Shenmue
Shenmue II
Silence - The Whispered World 2
Smoke and Sacrifice
SteamWorld Dig 2
Supermarket Shriek
Riverbond
Thimbleweed Park
Wizard of Legend
Bolded a few for emphasis. Insane drop, and it's entirely possible there will be more after the conference.