Hi there!

Here are some other pico 8 games that I found!

https://itch.io/jam/gmtk-2019/rate/460738 - Bong - A Pong Played alone, inside a circle.
https://itch.io/jam/gmtk-2019/rate/463093 - One Ball Pool - A pool game, with only one ball remaining.
https://itch.io/jam/gmtk-2019/rate/462725 - Tiny Sub - Guide a submarine in a cave, with only one button.
https://itch.io/jam/gmtk-2019/rate/461461 - 1D Dreams - One dimensional game, you can't jump, but you can use potions to grow/shrink.
https://itch.io/jam/gmtk-2019/rate/460898 - Overshoot - Control a spaceship, switching between control mode and propulsion mode.
https://itch.io/jam/gmtk-2019/rate/461469 - The weak Hero - A RPG where you can carry only one item at a time.
https://itch.io/jam/gmtk-2019/rate/462004 - The Spare Coin - You should choose one item in the beggining to battle with zombies.
https://itch.io/jam/gmtk-2019/rate/462443 - Go Ahead - Puzzle game, you use color passes to open doors and to show to guards.
https://itch.io/jam/gmtk-2019/rate/460987 - ONEPLAT - You have only one platform, but you can use arrows on the background to move it.
https://itch.io/jam/gmtk-2019/rate/461282 - Puzzle game, you can use your turn to walk or change direction. Some enemies move when you move, some move when you change direction.
https://itch.io/jam/gmtk-2019/rate/462184 - Lyle Vs. Powermen and the Bouncearound - Its like a Pool Game, but you have to defeat enemies in a single shot.