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