The box art that looks like cartridges double as PICO-8 ROMs. If you download them, you can drag 'n drop them into the Pico-8 executable to load the games.
PICOHOT
PICO-8 2020@2971
Sphongos
PICO-8 2025@4537
Witch Loves Bullets
PICO-8 2019@4548
Zedwolf
PICO-8 2020@2981
ocdgamer.rb:383:output_game_list( 31 games, mode:largescreen, tag id:76, sortby:title, url_arg_prefix:, output_list_selection:true) output_large_game_box(4543) output_large_game_box(4547) output_large_game_box(3075) ... execution time: output_game_list: 0.00s