The Indie showcase event Playism occurred during TGS 2020 and reveals lots of games. You can view the live stream (in English).

Youtube user, Thomas Rabbit, kindly added some timestamps for you.

13:16 – Bright Memory

19:22 – Bright Memory: Infinite

25:05 – Mighty Goose

32:00 – Tasomachi

38:39 – Record of Lodoss War – Deedlit in Wonder Labyrinth

42:27 – The Case Book of Arne

48:49 – Mad Father

54:45 – The Tower of Perpetuity

1:03:27 – Orangeblood

1:11:15 – The Sealed Ampoule

1:17:17 – SoundArt

1:21:23 – Fight Crab x DEEEER Simulator: Your average everyday deer game

1:30:55 – Knights and Bikes

1:37:10 – Umurangi Generation

1:42:23 – Idol Manager

1:48:32 – Replica

1:53:08 – Legal Dungeon

2:00:49 – Pixel Game Maker MV

2:09:40 – Godfall

2:20:13 – N1RV Ann-A